Interesting Heart Facts: Quiz! Trivia

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| By Fatu1988
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Fatu1988
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Quizzes Created: 3 | Total Attempts: 4,490
Questions: 15 | Attempts: 3,158

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Interesting Heart Facts: Quiz! Trivia - Quiz

This quiz will test your knowledge of the heart. It is one of the most important muscles of the body. Be sure you respect it and eat well and exercise. Remember, it is okay to treat yourself now and then, but a proper diet makes the heart that much healthier.


Questions and Answers
  • 1. 

    The heart weighs ________________________________________.

    • A.

      2 pounds

    • B.

      Under a pound

    • C.

      3 pounds

    • D.

      1 pound

    Correct Answer
    B. Under a pound
    Explanation
    The heart is a muscular organ located in the chest that pumps blood throughout the body. It is a vital organ and plays a crucial role in maintaining the circulatory system. While the weight of the heart can vary depending on factors such as age, gender, and overall health, on average, the heart weighs less than a pound.

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  • 2. 

    What is the heart's function (job)?

    • A.

      To help you breath

    • B.

      To feed all the cells in your body

    • C.

      Neither Answer Above

    Correct Answer
    B. To feed all the cells in your body
    Explanation
    The heart's function is to pump oxygenated blood to all the cells in the body. It ensures that every cell receives the necessary nutrients and oxygen for proper functioning.

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  • 3. 

    The heart is a solid organ.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The heart is not a solid organ, but rather a muscular organ that pumps blood throughout the body. It is made up of four chambers and has a complex structure that allows it to efficiently circulate blood.

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  • 4. 

    What is the endocardium?

    • A.

      Is the lining of the heart on the outside

    • B.

      Is the lining of the heart on the inside

    • C.

      Both A & B

    • D.

      None of the answers above

    Correct Answer
    B. Is the lining of the heart on the inside
    Explanation
    The endocardium refers to the lining of the heart on the inside. It is a smooth, thin layer of tissue that covers the inner surface of the heart chambers and valves. This layer helps to reduce friction as blood flows through the heart and also plays a role in the conduction of electrical signals that regulate the heart's rhythm.

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  • 5. 

    How many chambers are there in the heart?

    • A.

      2

    • B.

      5

    • C.

      4

    • D.

      7

    Correct Answer
    C. 4
    Explanation
    The heart consists of four chambers: two atria and two ventricles. The atria receive blood from the body and lungs, while the ventricles pump blood out to the body and lungs. This division of chambers allows for efficient circulation of oxygenated and deoxygenated blood throughout the body.

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  • 6. 

    What is the two top chambers called?

    • A.

      Left Atrium

    • B.

      Right Atrium

    • C.

      Left Ventricle

    • D.

      Right Ventricle

    • E.

      Both A & B

    Correct Answer
    E. Both A & B
    Explanation
    The two top chambers of the heart are called the left atrium and the right atrium. These chambers receive blood from the veins and then pump it into the lower chambers, known as the ventricles. Therefore, the correct answer is "Both A & B" because both the left atrium and the right atrium are the two top chambers of the heart.

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  • 7. 

    The three types of blood vessels are the veins; arteries; and capillaries.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because veins, arteries, and capillaries are indeed the three types of blood vessels. Veins carry deoxygenated blood towards the heart, arteries carry oxygenated blood away from the heart, and capillaries are the smallest blood vessels that connect arteries and veins, allowing for the exchange of oxygen, nutrients, and waste products.

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  • 8. 

    The function of an artery is .....

    • A.

      To bring blood into the heart

    • B.

      To take blood out of the heart

    • C.

      All of the above

    Correct Answer
    B. To take blood out of the heart
    Explanation
    The correct answer is "to take blood out of the heart". Arteries are blood vessels that carry oxygenated blood away from the heart to the rest of the body. They have thick, elastic walls that help maintain blood pressure as they transport blood to various organs and tissues. Therefore, arteries play a crucial role in the circulation of blood throughout the body, carrying oxygen and nutrients to the cells and removing waste products.

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  • 9. 

    How many miles of blood vessels do we have in our bodies?

    • A.

      15,000 miles

    • B.

      1600 miles

    • C.

      60,000 yards

    • D.

      60,000 miles

    Correct Answer
    D. 60,000 miles
    Explanation
    The correct answer is 60,000 miles. This is because our bodies have an extensive network of blood vessels that carry blood throughout our system. These blood vessels include arteries, veins, and capillaries, which are spread throughout our body. The total length of these blood vessels adds up to approximately 60,000 miles, allowing for the efficient transportation of blood to all parts of our body.

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  • 10. 

    Which artery brings blood to the lungs?

    • A.

      Tricuspic Artery

    • B.

      Pulmonary Valve

    • C.

      Pulmonary Artery

    • D.

      None of the above

    Correct Answer
    C. Pulmonary Artery
    Explanation
    The correct answer is the Pulmonary Artery. The Pulmonary Artery is responsible for carrying deoxygenated blood from the heart to the lungs. Once the blood reaches the lungs, it gets oxygenated and then returns to the heart through the Pulmonary Veins. The Tricuspid Artery and Pulmonary Valve are not correct answers as they do not exist in the human anatomy.

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  • 11. 

    The biggest vein in the body is...

    • A.

      In your heart

    • B.

      Tree trunk vein

    • C.

      Vena cava

    Correct Answer
    C. Vena cava
    Explanation
    The vena cava is the correct answer because it is the largest vein in the human body. There are two main vena cavae in the body - the superior vena cava and the inferior vena cava. The superior vena cava carries deoxygenated blood from the upper body to the heart, while the inferior vena cava carries deoxygenated blood from the lower body to the heart. These veins play a crucial role in returning blood to the heart for oxygenation and circulation throughout the body.

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  • 12. 

    The heart is made of fat?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "The heart is made of fat" is false. The heart is primarily made up of muscle tissue, not fat. Fat is present in the body, including around the heart, but it is not the main component of the heart itself. The heart is a vital organ composed mainly of cardiac muscle tissue, which allows it to pump blood throughout the body.

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  • 13. 

    Blood goes through the pulmonary valve before it goes through the mitral valve.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Blood goes through the pulmonary valve before it goes through the mitral valve because the pulmonary valve is responsible for directing blood from the right ventricle to the pulmonary artery, which carries deoxygenated blood to the lungs to be oxygenated. After the blood is oxygenated in the lungs, it returns to the heart and enters the left atrium. From there, it passes through the mitral valve into the left ventricle before being pumped out to the rest of the body. Therefore, the blood must first pass through the pulmonary valve before reaching the mitral valve.

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  • 14. 

    Capillaries are the smallest blood vessels.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Capillaries are indeed the smallest blood vessels in the human body. They are responsible for the exchange of oxygen, nutrients, and waste products between the blood and the surrounding tissues. Capillaries have thin walls that allow for easy diffusion of substances and are found throughout the body, connecting arteries and veins. Their small size and large number enable them to reach every cell in the body, ensuring efficient delivery of oxygen and nutrients while removing waste products. Therefore, the statement "Capillaries are the smallest blood vessels" is true.

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  • 15. 

    It is the valve's job to not let blood go back once it has gone through a valve.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because valves in the circulatory system, such as the heart valves, are designed to prevent the backflow of blood. When blood passes through a valve, it closes tightly to ensure that the blood does not flow backward. This mechanism helps maintain the proper flow of blood in one direction, allowing for efficient circulation throughout the body.

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