Circulatory System Quiz 613 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What other body System does the Circulatory System work together with?

Correct Answer: B) Respiratory system.

2. Capillaries are located:

Correct Answer: D) In between arteries and veins.

3. The innermost muscular layer of the cardiac muscle is called .....

Correct Answer: C) Endocardium.

4. When blood is traveling away from the heart, in which of the following would you find it?

Correct Answer: A) Arteries.

5. Substance present in the RBC which is responsible for the oxygen-carrying capacity of the cells

Correct Answer: C) Hemoglobin.

6. The blood vessels that carry blood rich in carbon dioxide to the lungs are.....

Correct Answer: A) Pulmonary artery.

7. This is another name for "high blood pressure" .This is a condition where fat builds up and hardens inside of an artery.

Correct Answer: D) ATHEROSCLEROSIS.

8. A heart attack happens when the supply of blood to the ..... is suddenly blocked

Correct Answer: A) Heart.

9. Some ways to take care of our digestive system are .....

Correct Answer: B) Wash hands before eat and do exercise regularly.

10. Which is the largest artery of the heart?

Correct Answer: C) Aorta.

11. Root hair has

Correct Answer: C) Both cell wall and cell membrane.

12. What prevents blood from passing back into the Right Atrium from the Right Ventricle?

Correct Answer: C) Tricuspid Valve or Right Atrioventricular Valve.

13. Finish the sentence. The heart .....

Correct Answer: A) Pumps deoxygenated blood to the lungs and oxygenated blood to the body.

14. What do the chemicals in our food combine with inside our bodies to produce the fuel we need?

Correct Answer: D) Oxygen.

15. The valve between the left atrium and left ventricle that prevents blood from flowing back into the left atrium is the .....

Correct Answer: D) Mitral valve.

16. If a person has a heart rate slower than 60 beats per minute, it is called ..... *

Correct Answer: B) Bradycardia.

17. What are platelets job?

Correct Answer: B) To clot blood & wounds.

18. The three main types of blood vessels are the arteries, veins, and .....

Correct Answer: D) Capillaries.

19. The system of blood vessels and the heart. This system circulates blood to every cell in the body.

Correct Answer: A) Circulatory system.

20. The wall of the heart is made up of .....

Correct Answer: D) All of these.