Body System Quiz MCQ! Trivia

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Body System Quiz MCQ! Trivia - Quiz


How well do you know about the body systems? All the parts and systems of the body must work together to increase our possibility of survival and keep a stable internal body environment, referred to as homeostasis. All of these systems must possess an equal balance for the human body. This quiz will demonstrate your knowledge of body systems. Good luck with the quiz.


Questions and Answers
  • 1. 

    What organ is NOT a part of the respiratory system?

    • A.

      Lungs

    • B.

      Trachea

    • C.

      Stomach

    • D.

      Bronchi

    Correct Answer
    C. Stomach
    Explanation
    The stomach is not a part of the respiratory system because its main function is to break down food and aid in digestion, rather than being involved in the process of breathing. The respiratory system primarily consists of organs such as the lungs, trachea, and bronchi, which are responsible for the exchange of oxygen and carbon dioxide in the body.

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  • 2. 

    What is the function the nasal passages?

    • A.

      To warm the air and filter dust

    • B.

      To filter oxygen from the air

    • C.

      To filter carbon dioxide from the air

    • D.

      To make boogers

    Correct Answer
    A. To warm the air and filter dust
    Explanation
    The function of the nasal passages is to warm the air and filter dust. The nasal passages have tiny hairs called cilia that help filter out dust particles and other impurities in the air we breathe. Additionally, the nasal passages have a network of blood vessels that help warm the air before it reaches the lungs. This is important because cold air can irritate the lungs and cause discomfort. Therefore, the nasal passages play a crucial role in ensuring that the air we breathe is clean and at an optimal temperature.

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  • 3. 

    What organ, also known as the "windpipe", facilitates breathing by linking the larynx and bronchi?

    • A.

      Lungs

    • B.

      Pharynx

    • C.

      Trachea

    • D.

      Nasal Passages

    Correct Answer
    C. Trachea
    Explanation
    The trachea, also known as the "windpipe", is the correct answer. It is the organ that connects the larynx (voice box) to the bronchi in the lungs. The trachea allows air to pass through, facilitating breathing.

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  • 4. 

    What is the function of mucus in the trachea and bronchi?

    • A.

      To protect from acid

    • B.

      To catch any dirt or dust before it reaches your lungs

    • C.

      To rinse your lungs from any harmful material

    • D.

      To make you sneeze

    Correct Answer
    B. To catch any dirt or dust before it reaches your lungs
    Explanation
    The function of mucus in the trachea and bronchi is to catch any dirt or dust before it reaches your lungs. Mucus acts as a protective barrier, trapping particles in the air that we breathe, preventing them from entering the lungs and causing potential harm. This helps to maintain the cleanliness and health of the respiratory system.

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  • 5. 

    What is the function of the diaphragm?

    • A.

      Allow you to inhale and exhale due to muscular contraction

    • B.

      To block up the lungs

    • C.

      To help you swallow

    • D.

      To help clear your lungs of hazardous material

    Correct Answer
    A. Allow you to inhale and exhale due to muscular contraction
    Explanation
    The diaphragm is a dome-shaped muscle located beneath the lungs. Its main function is to contract and relax, allowing the lungs to expand and contract during inhalation and exhalation. When the diaphragm contracts, it moves downward, creating more space in the chest cavity and causing the lungs to expand and fill with air. This allows for inhalation. When the diaphragm relaxes, it moves upward, reducing the space in the chest cavity and causing the lungs to deflate and release air. This allows for exhalation. Therefore, the diaphragm plays a crucial role in the process of breathing by allowing us to inhale and exhale through muscular contraction.

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  • 6. 

    Which two numbers point to your right and left bronchi?

    • A.

      5 & 4

    • B.

      6 & 11

    • C.

      8 & 9

    • D.

      5 & 9

    Correct Answer
    D. 5 & 9
    Explanation
    The correct answer is 5 & 9. The bronchi are the two main branches of the trachea that lead into the lungs. The right bronchus is larger and more vertical, while the left bronchus is smaller and more horizontal. Therefore, the numbers 5 and 9 correctly represent the right and left bronchi, respectively.

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  • 7. 

    What 3 organs make up the cardiovascular system?

    • A.

      Heart, lungs, and stomach

    • B.

      Heart, blood vessels, and blood

    • C.

      Heart, blood vessels, and brain

    • D.

      Heart, lungs, and brain

    Correct Answer
    B. Heart, blood vessels, and blood
    Explanation
    The cardiovascular system is responsible for the transportation of blood and nutrients throughout the body. The heart is the central organ of this system, pumping blood to all parts of the body. The blood vessels, including arteries, veins, and capillaries, act as a network to carry the blood. Lastly, blood itself is an essential component of the cardiovascular system, carrying oxygen, nutrients, hormones, and waste products. Therefore, the correct answer is heart, blood vessels, and blood.

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  • 8. 

    The cardiovascular system's function is to transport oxygen, nutrients, hormones and wastes throughout the body.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The cardiovascular system plays a crucial role in the body by transporting oxygen, nutrients, hormones, and waste products. It consists of the heart, blood vessels, and blood, which work together to ensure the delivery of oxygen and nutrients to all cells while removing waste products. The heart pumps oxygen-rich blood to the body's tissues through a network of blood vessels, while also carrying waste products away for elimination. Additionally, hormones are transported through the bloodstream to regulate various bodily functions. Therefore, it is true that the cardiovascular system's function is to transport oxygen, nutrients, hormones, and wastes throughout the body.

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  • 9. 

    Arteries carry blood ___________________ from the heart.

    Correct Answer
    away, Away, AWAY
    Explanation
    Arteries carry blood away from the heart.

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  • 10. 

    Atria accept blood from veins and ventricles pump blood through the arteries.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because atria do accept blood from veins. The atria are the upper chambers of the heart and they receive blood that is returning to the heart from the body through the veins. On the other hand, ventricles are the lower chambers of the heart and they pump the blood out of the heart and into the arteries, which carry the blood away from the heart to the rest of the body. Therefore, the statement correctly describes the flow of blood through the heart.

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  • 11. 

    What is the largest artery in your body?

    • A.

      Achilles

    • B.

      Arteriole

    • C.

      Aorta

    • D.

      Arterio

    Correct Answer
    C. Aorta
    Explanation
    The largest artery in the body is the aorta. It is the main artery that carries oxygenated blood from the heart to the rest of the body. The aorta is responsible for distributing blood to all the organs and tissues, making it an essential part of the circulatory system.

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  • 12. 

    Blood flows into the left atrium from the pulmonary veins, where are the bringing blood from?

    • A.

      The lungs

    • B.

      The brain

    • C.

      The stomach

    • D.

      The heart

    Correct Answer
    A. The lungs
    Explanation
    The pulmonary veins are responsible for bringing oxygenated blood from the lungs to the left atrium of the heart.

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  • 13. 

    The average adult human has ______ liters of blood.

    Correct Answer
    5, five
    Explanation
    The average adult human has 5 liters of blood.

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  • 14. 

    Your epiglottis is a tiny flap of tissue in your throat. How does this tissue save your life each day?

    • A.

      It helps your brain function by providing nutrients to it

    • B.

      It closes your trachea when you swallow so that food and water does not choke you

    • C.

      It prevents stomach acid from burning holes through the stomach lining

    • D.

      It absorbs water out of your food so that you do not become dehydrated

    Correct Answer
    B. It closes your trachea when you swallow so that food and water does not choke you
    Explanation
    The epiglottis is a small flap of tissue located in the throat that plays a crucial role in preventing choking. When you swallow, the epiglottis closes off the trachea, or windpipe, to ensure that food and water enter the esophagus and not the lungs. This action prevents the risk of choking by directing the swallowed substances to the correct pathway. Without the epiglottis, there would be a high chance of food or water entering the airway and causing choking or aspiration pneumonia.

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  • 15. 

    What is the importance of foveolar cells?

    • A.

      They create digestive enzymes to digest the proteins in your food

    • B.

      They create bile to digest lipids in your food

    • C.

      They create stomach acid to help digestion in your stomach

    • D.

      They create mucus to protect your stomach lining from the stomach acid

    Correct Answer
    D. They create mucus to protect your stomach lining from the stomach acid
    Explanation
    Foveolar cells are important because they create mucus to protect the stomach lining from the stomach acid. The stomach acid is necessary for digestion, but it can also be harmful to the delicate lining of the stomach. The mucus produced by the foveolar cells acts as a protective barrier, preventing the acid from damaging the stomach walls. This helps to maintain the integrity of the stomach lining and prevent the development of ulcers or other gastrointestinal issues.

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  • 16. 

    What are the 3 parts of the small intestine?

    • A.

      Denimatic, Jumatic, Illmatic

    • B.

      Duodenum, Jejunum, Ileum

    • C.

      Denim, Jungjum, Illuminati

    • D.

      DeweyDecimal, Jujitsu, Illusive

    Correct Answer
    B. Duodenum, Jejunum, Ileum
    Explanation
    The small intestine is made up of three parts: the duodenum, jejunum, and ileum. The duodenum is the first part of the small intestine, where most of the digestion takes place. The jejunum is the middle part, responsible for absorbing nutrients from food. The ileum is the final part, where further nutrient absorption occurs before the remaining waste is passed into the large intestine.

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  • 17. 

    Why are enterocytes in the small intestine so important?

    • A.

      They have villi and microvilli to increase surface area and nutrient absorption

    • B.

      They have magical powers like flying

    • C.

      They know 17 different languages!

    • D.

      They are pretty lit cells

    Correct Answer
    A. They have villi and microvilli to increase surface area and nutrient absorption
    Explanation
    Enterocytes in the small intestine are important because they have villi and microvilli. These structures increase the surface area of the small intestine, allowing for more efficient absorption of nutrients. This is crucial for the body to obtain the necessary substances from digested food. The presence of villi and microvilli enhances the absorptive capacity of enterocytes, ensuring optimal nutrient uptake and utilization.

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  • 18. 

    What organ is represented by the number 2?

    • A.

      Epiglottis

    • B.

      Esophagus

    • C.

      Long Intestine

    • D.

      Stomach

    Correct Answer
    B. Esophagus
    Explanation
    The correct answer is the esophagus. The esophagus is a muscular tube that connects the throat to the stomach. It plays a crucial role in the process of swallowing by transporting food and liquids from the mouth to the stomach. The epiglottis is a flap of tissue that prevents food from entering the windpipe during swallowing. The long intestine, also known as the large intestine or colon, is responsible for absorbing water and electrolytes from undigested food. The stomach is a muscular organ that breaks down food through the process of digestion.

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  • 19. 

    What is the scientific name for #6?

    • A.

      Bootyhole

    • B.

      Butthole

    • C.

      Anus

    • D.

      Disgusting

    Correct Answer
    C. Anus
    Explanation
    The scientific name for the anatomical structure commonly referred to as the "butthole" or "anus" is indeed "anus." This term is used in the field of anatomy and biology to describe the opening at the end of the digestive tract through which waste is eliminated from the body. The term "anus" is widely recognized and used in scientific literature and medical discussions.

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  • 20. 

    What is the best class on planet Earth?

    • A.

      Don't click this

    • B.

      Biology

    • C.

      This answer is wrong

    • D.

      Don't choose this

    Correct Answer
    B. Biology
    Explanation
    The given question asks for the best class on planet Earth, and the answer provided is "Biology." This suggests that the best class, according to the answer, is the subject of Biology.

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