Body Systems Review # 1
What do you remember?
Questions and Answers
- 1.
What is blood clotting made possible by?
- A.
White blood cells
- B.
Red blood cells
- C.
Platelets
- D.
Plasma
Correct Answer
C. PlateletsExplanation
Blood clotting is made possible by platelets. Platelets are small, disc-shaped cell fragments that play a crucial role in the process of blood clotting or coagulation. When there is an injury or damage to blood vessels, platelets are activated and form a plug at the site of injury, preventing excessive bleeding. They release chemicals that attract more platelets to the area and form a clot, which helps in sealing the wound. Without platelets, blood clotting would not occur effectively, leading to prolonged bleeding and increased risk of hemorrhage.Rate this question:
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- 2.
_________________ : soldiers within the circulatory system
- A.
White blood cells
- B.
Red blood cells
- C.
Plasma
- D.
Platelets
Correct Answer
A. White blood cellsExplanation
White blood cells are responsible for defending the body against infections and foreign substances. They are part of the immune system and play a crucial role in fighting off pathogens and maintaining overall health. Unlike red blood cells, which carry oxygen to various parts of the body, white blood cells primarily function within the circulatory system, where they identify and eliminate harmful invaders. Plasma, on the other hand, is the liquid component of blood, while platelets are involved in blood clotting.Rate this question:
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- 3.
Arteries carry blood away from the heart.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Arteries are blood vessels that carry oxygenated blood away from the heart to various parts of the body. They have thick, muscular walls that help maintain blood pressure and ensure efficient blood flow. In contrast, veins carry deoxygenated blood back to the heart. Therefore, the statement "Arteries carry blood away from the heart" is true.Rate this question:
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- 4.
With circulation, the heart provides your body with:
- A.
Nutrients
- B.
Oxygen
- C.
A way to get rid of wastes
- D.
None of the above
Correct Answer(s)
A. Nutrients
B. Oxygen
C. A way to get rid of wastesExplanation
The heart provides the body with nutrients, oxygen, and a way to get rid of wastes through circulation.Rate this question:
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- 5.
Where is plasma found?
- A.
In the blood
- B.
In bone marrow
- C.
In your muscles
- D.
In your brain
Correct Answer
A. In the bloodExplanation
Plasma is found in the blood. Plasma is the liquid component of blood that carries various substances such as nutrients, hormones, and waste products throughout the body. It also plays a crucial role in maintaining blood pressure and regulating body temperature.Rate this question:
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- 6.
The Circulatory Systems acts as a transport center.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The circulatory system is responsible for transporting oxygen, nutrients, hormones, and other essential substances throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps oxygen-rich blood to all the organs and tissues, while the blood vessels carry the blood to and from different parts of the body. This transportation process ensures that every cell in the body receives the necessary nutrients and oxygen for proper functioning. Therefore, the circulatory system acts as a transport center in the body.Rate this question:
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- 7.
Which of the following items belong with the Circulatory System?
- A.
Brain
- B.
Heart
- C.
Arterties
- D.
Veins
- E.
Blood
Correct Answer(s)
B. Heart
C. Arterties
D. Veins
E. BloodExplanation
The heart, arteries, veins, and blood all belong to the Circulatory System. The heart is responsible for pumping blood throughout the body, while arteries carry oxygenated blood away from the heart to various tissues. Veins carry deoxygenated blood back to the heart, and blood is the fluid that circulates through the vessels, carrying oxygen and nutrients to cells and removing waste products.Rate this question:
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- 8.
The heart is made from....
- A.
Lungs
- B.
Muscle
- C.
Skin
- D.
Oxygen
Correct Answer
B. MuscleExplanation
The heart is made from muscle. The heart is a vital organ that pumps blood throughout the body, and it requires a strong and durable muscle to perform this function. The cardiac muscle, also known as myocardium, is a specialized type of muscle tissue that makes up the walls of the heart. It is responsible for the rhythmic contractions that allow the heart to pump blood effectively. Without this muscular structure, the heart would not be able to fulfill its essential role in the circulatory system.Rate this question:
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- 9.
Veins carry blood to the heart.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Veins are blood vessels that carry deoxygenated blood from the body tissues back to the heart. They have one-way valves that prevent the blood from flowing backward. The blood then enters the heart's right atrium and is pumped to the lungs for oxygenation. Therefore, the statement "Veins carry blood to the heart" is true.Rate this question:
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- 10.
Which best explains why muscle is considered a tissue?
- A.
It is connected to bones.
- B.
It can move voluntarily or involuntarily.
- C.
It interacts with several organ systems.
- D.
It is a group of cells working together.
Correct Answer
D. It is a group of cells working together.Explanation
Muscle is considered a tissue because it is a group of cells working together. Tissues are composed of similar cells that work together to perform a specific function. In the case of muscle tissue, the cells contract and relax to produce movement. This coordinated action of muscle cells allows for voluntary or involuntary movement and enables muscles to interact with several organ systems, such as the skeletal and nervous systems. Therefore, muscle being a group of cells working together is the best explanation for why it is considered a tissue.Rate this question:
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- 11.
Which statement describes the organization of living organisms?
- A.
All organisms are composed of many cells, which are the basic units of structure but do not perform life functions.
- B.
All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.
- C.
All organisms are composed of many cells that have basic units with unique structures and functions.
- D.
All organisms are composed of one or more cells with the same shape and purpose but are not the basic units of structure.
Correct Answer
B. All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.Explanation
All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions. This statement accurately describes the organization of living organisms. It recognizes that all organisms are made up of cells, which are the fundamental building blocks of life. These cells not only provide the structural framework for organisms but also carry out vital functions necessary for life, such as metabolism, reproduction, and response to stimuli.Rate this question:
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- 12.
The function of the excretory system is to...
- A.
Rid the body of wastes
- B.
Bring oxygen into the body
- C.
Circulate nutrients throughout the body
- D.
Breakdown food and energy
Correct Answer
A. Rid the body of wastesExplanation
The excretory system is responsible for removing waste products from the body. It filters and eliminates toxins, excess water, and other waste materials through organs such as the kidneys, liver, and lungs. This process helps maintain the body's internal balance and prevents the buildup of harmful substances.Rate this question:
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- 13.
Select the component (s) of the excretory system below:
- A.
Skin
- B.
Kidneys and bladder
- C.
Lungs
- D.
Blood
Correct Answer(s)
A. Skin
B. Kidneys and bladder
C. Lungs
D. BloodExplanation
The excretory system is responsible for removing waste products from the body. The skin plays a role in excretion by eliminating sweat, which contains waste products such as urea. The kidneys and bladder filter the blood and remove waste in the form of urine. The lungs excrete carbon dioxide, a waste product of cellular respiration. The blood carries waste products throughout the body to be eliminated by the excretory system.Rate this question:
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- 14.
Filtration of blood and removal of wastes occurs in the _______________
- A.
Ureter
- B.
Bladder
- C.
Kidneys
- D.
Small intestines
Correct Answer
C. KidneysExplanation
The kidneys are responsible for the filtration of blood and removal of wastes from the body. They filter the blood to remove excess water, salts, and waste products, which are then excreted as urine. The kidneys play a crucial role in maintaining the body's fluid balance, regulating blood pressure, and producing hormones that control red blood cell production. Therefore, the kidneys are the correct answer for this question.Rate this question:
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- 15.
The job of the immune system is to protect and defend against disease.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The immune system is responsible for protecting and defending the body against disease. It does this by recognizing and eliminating harmful pathogens, such as bacteria and viruses, and by producing antibodies to fight off infections. Thus, the statement "The job of the immune system is to protect and defend against disease" is true.Rate this question:
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- 16.
The major function or purpose of B-cells within the body would be to....
- A.
Produce antibodies
- B.
Kill off invading threats
- C.
They are dangerous to your body and as a result can kill you
- D.
None of the above
Correct Answer
A. Produce antibodiesExplanation
B-cells are a type of white blood cell that play a crucial role in the immune response. Their main function is to produce antibodies, which are proteins that help to identify and neutralize foreign substances such as bacteria and viruses. These antibodies bind to specific antigens on the surface of the invading threats, marking them for destruction by other immune cells. Therefore, the correct answer is "produce antibodies."Rate this question:
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- 17.
Select the following that would help to make up your immune system or lymphatic system
- A.
Lymph nodes
- B.
Bone marrow
- C.
Spleen
- D.
White blood cells
Correct Answer(s)
A. Lymph nodes
B. Bone marrow
C. Spleen
D. White blood cellsExplanation
Lymph nodes, bone marrow, spleen, and white blood cells are all essential components of the immune system or lymphatic system. Lymph nodes are small organs that filter lymph fluid, trapping and destroying harmful substances. Bone marrow is responsible for producing white blood cells, which are crucial for fighting off infections and diseases. The spleen acts as a filter for blood, removing old or damaged red blood cells and producing white blood cells. White blood cells are the main cells involved in immune responses, helping to identify and destroy foreign invaders in the body.Rate this question:
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- 18.
Memory Cells prevent your body from getting the same virus over again.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Memory cells are a type of immune cell that are formed after an initial infection or vaccination. These cells "remember" the specific virus or pathogen that caused the initial infection and can mount a quicker and stronger immune response if the same virus enters the body again. This is why memory cells prevent the body from getting the same virus over again. Therefore, the given answer "True" is correct.Rate this question:
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- 19.
________________ Muscle is found within the digestive tract of the human body, involuntary muscle....
- A.
Cardiac
- B.
Smooth
- C.
Skeletal
- D.
Tendon
Correct Answer
B. SmoothExplanation
Smooth muscle is the correct answer because it is found within the digestive tract of the human body and is classified as involuntary muscle. Smooth muscle is responsible for the contraction and relaxation of the digestive organs, allowing for the movement and propulsion of food throughout the digestive system. Unlike skeletal muscle, which is under voluntary control, smooth muscle contracts and relaxes involuntarily, meaning we do not have conscious control over its actions. Cardiac muscle is found in the heart, while tendons connect muscles to bones.Rate this question:
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- 20.
The cardiac muscle is an involuntary muscle that is found within the heart.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The cardiac muscle is indeed an involuntary muscle that is found within the heart. Unlike skeletal muscles, which we can control consciously, the cardiac muscle works automatically to contract and relax, allowing the heart to pump blood throughout the body. This involuntary nature ensures that the heart beats consistently and continuously without us having to consciously think about it. Therefore, the statement "The cardiac muscle is an involuntary muscle that is found within the heart" is true.Rate this question:
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- 21.
In the human body, the primary function of this body system is the movement of bones, body fluids, and food....
- A.
Digestive
- B.
Skeletal
- C.
Circulatory
- D.
Muscular
Correct Answer
D. MuscularExplanation
The muscular system is responsible for the movement of bones, body fluids, and food in the human body. Muscles work together to enable voluntary movements such as walking and running, as well as involuntary movements such as the beating of the heart and the movement of food through the digestive system. This system is made up of various types of muscles, including skeletal muscles that are attached to bones, smooth muscles that line the organs, and cardiac muscles that make up the heart. Overall, the muscular system plays a crucial role in maintaining the body's mobility and ensuring the proper functioning of other body systems.Rate this question:
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- 22.
Skeletal Muscles are voluntary movements, whereas Cardiac muscle movements are not.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Skeletal muscles are under conscious control, meaning that we can voluntarily move them. On the other hand, cardiac muscles, which make up the heart, are involuntary and not under our conscious control. This means that we cannot directly control the movements of our heart. Therefore, the statement that skeletal muscles are voluntary movements while cardiac muscle movements are not is true.Rate this question:
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- 23.
Lymph is made within the white blood cells
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Lymph is not made within the white blood cells. Lymph is a clear fluid that is derived from the interstitial fluid that surrounds the body's tissues. It is formed when the interstitial fluid is collected by lymphatic vessels and filtered through lymph nodes. Lymphocytes, which are a type of white blood cell, are present in lymph and play a crucial role in the immune response, but they do not produce lymph. Therefore, the correct answer is False.Rate this question:
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- 24.
Homeostasis helps to regulate which of the following...
- A.
Blood pressure
- B.
Blood sugar
- C.
Heat/cold (body temperature)
- D.
Amount of water/salts body has taken in
Correct Answer(s)
A. Blood pressure
B. Blood sugar
C. Heat/cold (body temperature)
D. Amount of water/salts body has taken inExplanation
Homeostasis is the body's ability to maintain a stable internal environment. It helps regulate blood pressure by adjusting the diameter of blood vessels and the force of the heart's contractions. It also regulates blood sugar levels by releasing insulin or glucagon to balance glucose levels. Homeostasis controls body temperature by sweating or shivering to cool down or warm up the body. Lastly, it regulates the amount of water and salts in the body through processes like thirst and excretion.Rate this question:
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