A Quiz On Cells And Body Systems! Trivia
A quiz on cells and body systems trivia! Cells are the building blocks for all living things. Cells band together to form tissues, which in turn form organs that intern form the body systems. Each system in the body is tasked with achieving a given function. The digestive system is tasked with breaking down food, absorbing nutrients, and removing waste. Do take up the quiz and test your understanding of cell parts and function within the human body!
Questions and Answers
- 1.
The brain of the cell is the...
- A.
Golgi Apparatus
- B.
Nucleus
- C.
Nucleolus
- D.
Cytoplasm
Correct Answer
B. NucleusExplanation
The nucleus is considered the brain of the cell because it contains the cell's genetic material, DNA. It controls the cell's activities by regulating gene expression and directing the synthesis of proteins. The nucleus also plays a crucial role in cell division, as it coordinates the replication and distribution of DNA during mitosis and meiosis. Additionally, the nucleus is responsible for maintaining the integrity and stability of the genetic information. Overall, the nucleus is essential for the proper functioning and survival of the cell.Rate this question:
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- 2.
This is the jelly-like cushioning that carries particles around the cell.
- A.
Endoplasmic Reticulum
- B.
Lysosome
- C.
Mitochondria
- D.
Cytoplasm
Correct Answer
D. CytoplasmExplanation
Cytoplasm is the jelly-like substance that fills the cell and acts as a cushioning material for various particles within the cell. It provides support and protection to the organelles present in the cell. It also plays a vital role in the transport of molecules and organelles within the cell. The cytoplasm contains various proteins, enzymes, and other molecules necessary for cellular processes. Therefore, it is the correct answer as it accurately describes the jelly-like cushioning that carries particles around the cell.Rate this question:
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- 3.
This stores water, nutrients, and other substances for the cell to use at a later time.
- A.
Mitochondria
- B.
Vacuole
- C.
Golgi Apparatus
- D.
Cytoplasm
Correct Answer
B. VacuoleExplanation
The vacuole is a cell organelle that stores water, nutrients, and other substances for the cell to use at a later time. It is like a storage compartment within the cell, allowing the cell to store and regulate its internal environment. Vacuoles are especially prominent in plant cells, where they can occupy a large portion of the cell's volume. They play a crucial role in maintaining cell turgor pressure, storing waste products, and regulating the balance of ions and molecules within the cell.Rate this question:
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- 4.
This component allows some materials to enter the cell and keeps others out.
- A.
Cytoplasm
- B.
Lysosome
- C.
Endoplasmic Reticulum
- D.
Cell Membrane
Correct Answer
D. Cell MembraneExplanation
The cell membrane is a component that allows some materials to enter the cell and keeps others out. It acts as a barrier, regulating the passage of substances in and out of the cell. It is composed of a phospholipid bilayer with embedded proteins that control the movement of molecules. This selective permeability is essential for maintaining homeostasis and protecting the cell's internal environment.Rate this question:
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- 5.
This part of the cell converts sugar and fat into energy to be used by the cell.
- A.
Golgi Apparatus
- B.
Mitochondria
- C.
Rough Endoplasmic Reticulum
- D.
Ribosomes
Correct Answer
B. MitochondriaExplanation
Mitochondria are responsible for converting sugar and fat into energy through a process called cellular respiration. They are often referred to as the "powerhouses" of the cell because they produce the majority of the cell's energy in the form of ATP. Mitochondria have their own DNA and are thought to have originated from ancient bacteria that formed a symbiotic relationship with early eukaryotic cells. They have a double membrane structure and contain enzymes and proteins that carry out the various steps of cellular respiration, allowing the cell to generate energy for its functions.Rate this question:
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- 6.
Ribosomes are found here.
- A.
Cytoplasm
- B.
Golgi Apparatus
- C.
Endoplasmic Reticulum
- D.
Cell Membrane
Correct Answer
C. Endoplasmic ReticulumExplanation
Ribosomes are found in the endoplasmic reticulum. The endoplasmic reticulum is a network of membrane-bound tubules and sacs that are involved in protein synthesis and lipid metabolism. Ribosomes are responsible for protein synthesis, and they can be found attached to the outer surface of the endoplasmic reticulum. This association allows for efficient transfer of newly synthesized proteins into the ER lumen for further processing and modification. Therefore, the endoplasmic reticulum is the correct answer as it is the organelle where ribosomes are located.Rate this question:
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- 7.
Lysosomes do this job in the cell.
- A.
Destroy dead cell parts and other debris.
- B.
Process proteins and fats.
- C.
Aid in cell reproduction.
Correct Answer
A. Destroy dead cell parts and other debris.Explanation
Lysosomes are organelles within cells that contain enzymes capable of breaking down various molecules. They play a crucial role in maintaining the cell's health by digesting and recycling cellular waste, including dead cell parts and debris. This process, known as autophagy, helps to remove damaged or unnecessary components and maintain the overall cleanliness and functionality of the cell. Therefore, the correct answer is that lysosomes destroy dead cell parts and other debris.Rate this question:
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- 8.
What is the overall function of the respiratory system?
- A.
To bring in oxygen to feed the cells in the body.
- B.
To help expel waste.
- C.
To circulate blood and nutrients to the body.
Correct Answer
A. To bring in oxygen to feed the cells in the body.Explanation
The overall function of the respiratory system is to bring in oxygen to feed the cells in the body. Oxygen is necessary for cellular respiration, which is the process by which cells convert oxygen and glucose into energy. The respiratory system achieves this by inhaling oxygen-rich air and delivering it to the lungs, where it is exchanged with carbon dioxide. The oxygen is then transported to the cells via the bloodstream, ensuring that they have the necessary oxygen for their metabolic processes.Rate this question:
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- 9.
The following components are all part of the respiratory system:
- A.
Diaphragm, mouth, larynx, trachea, stomach
- B.
Alveoli, larynx, esophagus, heart
- C.
Mouth, larynx, diaphragm, lungs
- D.
None of the above
Correct Answer
C. Mouth, larynx, diaphragm, lungsExplanation
The components of the respiratory system are responsible for the intake of oxygen and the removal of carbon dioxide from the body. The mouth is the entry point for air, while the larynx helps to produce sound and also acts as a passageway for air. The diaphragm is a muscle that plays a crucial role in breathing by contracting and relaxing to control the volume of the chest cavity. The lungs are the main organs of the respiratory system where gas exchange occurs. Therefore, the correct answer is mouth, larynx, diaphragm, lungs.Rate this question:
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- 10.
The circulatory and respiratory systems work hand-in-hand with each other.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The circulatory and respiratory systems work hand-in-hand because they are both responsible for delivering oxygen to the body's cells and removing waste products. The respiratory system takes in oxygen through the lungs and releases carbon dioxide, while the circulatory system transports oxygen-rich blood to the cells and carries away waste products. This collaboration between the two systems ensures that the body's cells receive the oxygen they need and that waste products are efficiently removed.Rate this question:
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- 11.
The diaphragm expands or contracts to bring air into the lungs or push air out.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The diaphragm is a dome-shaped muscle located at the base of the lungs. When it contracts, it moves downward, creating more space in the chest cavity and allowing the lungs to expand. This expansion pulls air into the lungs, enabling inhalation. Conversely, when the diaphragm relaxes and moves upward, it reduces the space in the chest cavity, causing the lungs to deflate and pushing air out during exhalation. Therefore, the statement that the diaphragm expands or contracts to bring air into the lungs or push air out is true.Rate this question:
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- 12.
These vessels carry blood to the heart.
- A.
Veins
- B.
Arteries
- C.
Capillaries
- D.
None of the above
Correct Answer
A. VeinsExplanation
Veins are the correct answer because they are blood vessels that carry blood back to the heart. Unlike arteries, which carry oxygenated blood away from the heart, veins transport deoxygenated blood from the body's tissues back to the heart. Capillaries, on the other hand, are the smallest blood vessels that connect arteries and veins, allowing for the exchange of nutrients, gases, and waste products between the blood and tissues. Therefore, veins are the vessels specifically responsible for carrying blood to the heart.Rate this question:
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- 13.
The overall function of the circulatory system is to provide the body with nutrients and remove solid waste.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The overall function of the circulatory system is not to remove solid waste. While the circulatory system does play a role in removing waste products such as carbon dioxide, its primary function is to transport oxygen, nutrients, hormones, and other essential substances to the body's cells. The removal of solid waste is primarily carried out by the digestive and excretory systems.Rate this question:
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- 14.
These are components of the circulatory system:
- A.
Left ventricle, lower vena cava, stomach, blood
- B.
Aorta, right atrium, pulmonary vein, blood
- C.
Right ventricle, left ventricle, aorta, esophagus
Correct Answer
B. Aorta, right atrium, pulmonary vein, bloodExplanation
The components listed in the answer are all part of the circulatory system. The aorta is the main artery that carries oxygenated blood from the heart to the rest of the body. The right atrium is one of the chambers of the heart that receives deoxygenated blood from the body. The pulmonary vein is responsible for carrying oxygenated blood from the lungs back to the heart. Lastly, blood is the fluid that circulates through the circulatory system, carrying oxygen, nutrients, and waste products.Rate this question:
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- 15.
Veins are blue under your skin because the blood is oxygen-rich and returning to the heart.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement is false. Veins appear blue under the skin due to a phenomenon called selective absorption and scattering of light. The skin and subcutaneous tissue absorb longer wavelengths of light, such as red and yellow, while shorter wavelengths, such as blue and green, are reflected back to our eyes. This is why veins, which carry deoxygenated blood, appear blue.Rate this question:
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- 16.
This chamber of the heart pumps blood to the lungs to pick up oxygen.
- A.
Left Ventricle
- B.
Left Atrium
- C.
Right Ventricle
- D.
Right Atrium
Correct Answer
C. Right VentricleExplanation
The right ventricle is responsible for pumping deoxygenated blood from the heart to the lungs to pick up oxygen. It receives blood from the right atrium and then contracts to push the blood into the pulmonary artery, which carries it to the lungs. From there, oxygen is picked up and carbon dioxide is released, allowing the blood to become oxygenated and return to the heart.Rate this question:
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- 17.
This chamber of the heart receives all of the blood from the body that is oxygen-depleted.
- A.
Left Ventricle
- B.
Left Atrium
- C.
Right Ventricle
- D.
Right Atrium
Correct Answer
D. Right AtriumExplanation
The right atrium is the correct answer because it is the chamber of the heart that receives all of the blood from the body that is oxygen-depleted. After the blood has circulated through the body and delivered oxygen to the tissues, it returns to the heart through the superior and inferior vena cava and enters the right atrium. From there, it is pumped into the right ventricle and then sent to the lungs to be oxygenated.Rate this question:
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- 18.
The heart pumps blood around the body that carries oxygen and _____________ to feed various parts of the body.
Correct Answer
nutrients
foodExplanation
The heart pumps blood around the body that carries oxygen and nutrients to feed various parts of the body. Nutrients are essential for the body's growth, repair, and maintenance, providing energy and supporting various bodily functions. Food, on the other hand, is the source of these nutrients. Therefore, both nutrients and food are necessary for the body to function properly.Rate this question:
- 19.
The endocrine system includes the following organs:
- A.
Testes and/or Ovaries
- B.
Parathyroids, Pancreas and Thymus glands
- C.
Adrenal glands, Pituitary gland,and Thyroid glands
- D.
All of the above
- E.
None of the above
Correct Answer
D. All of the aboveExplanation
The endocrine system includes the testes and/or ovaries, which are responsible for producing hormones involved in reproduction. It also includes the parathyroids, pancreas, and thymus glands, which regulate calcium levels, blood sugar levels, and immune function, respectively. Additionally, the adrenal glands produce hormones involved in stress response, the pituitary gland regulates other endocrine glands, and the thyroid gland controls metabolism. Therefore, all of the organs listed are part of the endocrine system.Rate this question:
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- 20.
The endocrine system produces hormones that control many body functions.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because the endocrine system is responsible for producing hormones that regulate various functions in the body. These hormones act as chemical messengers and are released into the bloodstream to target specific organs or tissues, influencing their activity and maintaining homeostasis. Examples of hormones produced by the endocrine system include insulin, which regulates blood sugar levels, and estrogen and testosterone, which control reproductive functions. Overall, the endocrine system plays a crucial role in coordinating and maintaining the body's internal balance.Rate this question:
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- 21.
The following organs are part of the excretory system:
- A.
Stomach
- B.
Bladder
- C.
Kidneys
- D.
Heart
- E.
Brain
- F.
Urethra
Correct Answer(s)
B. Bladder
C. Kidneys
F. UrethraExplanation
The correct answer is bladder, kidneys, and urethra. These organs are part of the excretory system because they play a role in removing waste and toxins from the body. The kidneys filter waste products from the blood and produce urine, which is then stored in the bladder. The bladder acts as a temporary storage for urine until it is eliminated from the body through the urethra. The stomach, heart, and brain are not directly involved in the excretory process.Rate this question:
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- 22.
The excretory system's main function is to remove waste from the body and release excess liquids.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The excretory system is responsible for removing waste products from the body and eliminating excess fluids. This process helps maintain the body's internal balance and prevents the buildup of harmful substances. By filtering the blood, the excretory system removes waste products such as urea, excess salts, and toxins. It also regulates the body's water and electrolyte balance by controlling the amount of urine produced. Therefore, it is correct to say that the main function of the excretory system is to remove waste from the body and release excess liquids.Rate this question:
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- 23.
The brain controls the following functions:
- A.
The heart beating
- B.
Food being digested and processed
- C.
Lungs inhaling and exhaling
- D.
Body movement
- E.
Processing what we see, say, hear, smell and do
- F.
All of the above
- G.
None of the above
Correct Answer
F. All of the aboveExplanation
The brain controls all of the mentioned functions, including the heart beating, food digestion and processing, lung inhalation and exhalation, body movement, and processing of sensory information such as what we see, say, hear, smell, and do.Rate this question:
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- 24.
The nervous system is the main system controlling all others because, without the brain, all other system functions will cease.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The nervous system is indeed the main system controlling all others because it includes the brain, which is responsible for coordinating and regulating the functions of all other systems in the body. Without the brain's control, the other systems would not be able to function properly, leading to their eventual cessation. Therefore, the statement is true.Rate this question:
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- 25.
The following organs are components of the nervous system:
- A.
Cerebrum
- B.
Cerebellum
- C.
Spinal cord
- D.
Medulla
- E.
All of the above
- F.
None of the above
Correct Answer
E. All of the aboveExplanation
The correct answer is "all of the above" because the cerebrum, cerebellum, spinal cord, and medulla are all organs that are part of the nervous system. The cerebrum is responsible for higher brain functions such as thinking and voluntary actions, the cerebellum controls coordination and balance, the spinal cord transmits signals between the brain and the rest of the body, and the medulla is involved in controlling vital functions such as breathing and heart rate.Rate this question:
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- 26.
The digestive system contains these organs:
- A.
Stomach, teeth, pituitary gland
- B.
Esophagus, stomach, small intestine
- C.
Anus, large intestine, brachial artery
Correct Answer
B. Esophagus, stomach, small intestineExplanation
The correct answer is esophagus, stomach, small intestine. These organs are part of the digestive system. The esophagus is a muscular tube that connects the mouth to the stomach and helps in the movement of food. The stomach is a muscular organ that breaks down food using digestive enzymes and acids. The small intestine is the longest part of the digestive tract and is responsible for further digestion and absorption of nutrients from food.Rate this question:
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- 27.
The digestive system's main function is to:
- A.
Push waste along and remove it from the body
- B.
Grind up food particles and create a mash that the body can process
- C.
Change food into nutrients that feeds the cells in the body, and eliminate waste
Correct Answer
C. Change food into nutrients that feeds the cells in the body, and eliminate wasteExplanation
The digestive system's main function is to change food into nutrients that feed the cells in the body and eliminate waste. This process starts in the mouth, where food is broken down into smaller pieces and mixed with saliva. Then, it moves to the stomach where it is further broken down by stomach acid and enzymes. From there, the nutrients are absorbed into the bloodstream through the small intestine, and the waste is eliminated through the large intestine. This process ensures that the body receives the necessary nutrients for energy and growth while getting rid of any waste products.Rate this question:
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- 28.
What part of the digestive system is labeled 'D'?
- A.
The large intestine
- B.
The small intestine
- C.
The stomach
- D.
None of the above
Correct Answer
B. The small intestineExplanation
The correct answer is the small intestine. The small intestine is a long, tube-like organ located between the stomach and the large intestine. It is responsible for the majority of nutrient absorption in the digestive system. It is made up of three parts: the duodenum, jejunum, and ileum. The small intestine plays a crucial role in breaking down food and extracting essential nutrients for the body's functions.Rate this question:
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- 29.
This section of the heart pumps oxygenated blood out to all parts of the body:
- A.
#2 - Right Atrium
- B.
#3 - Right Ventricle
- C.
#6 - Left Atrium
- D.
#5 - Left Ventricle
Correct Answer
D. #5 - Left VentricleExplanation
The left ventricle is responsible for pumping oxygenated blood out to all parts of the body. It receives oxygen-rich blood from the left atrium and contracts to push the blood into the aorta, which then distributes it to the rest of the body. This is an essential function of the heart as it ensures that oxygenated blood reaches all organs and tissues, providing them with the necessary oxygen and nutrients for their proper functioning.Rate this question:
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Mar 21, 2023Quiz Edited by
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Mar 09, 2011Quiz Created by
MrsPowers78
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