Circulatory System Quiz 640 (20 MCQs)

Quiz Instructions

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1. True or False:Unicellular organisms have an open circulatory system.

Correct Answer: B) False.

2. Which of the following is the top portion of the heart

Correct Answer: A) Atrium.

3. Which component of blood is involved in helping blood clot?

Correct Answer: B) Platelets.

4. What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?

Correct Answer: B) The type of paper airplane.

5. ..... help form clots to stop bleeding.

Correct Answer: C) Platelets.

6. Angio

Correct Answer: A) Vessel.

7. The circulatory system consists of what three parts?

Correct Answer: A) Heart, blood, blood vessels.

8. What happens during gas exchange in the lungs?

Correct Answer: A) Oxygen passes into the blood and carbon dioxide passes out of the blood.

9. Which of the following are tubes that serve as passageways for blood to reach the different parts of the body?

Correct Answer: B) Blush vessels.

10. What type of blood enters the left side of the heart?

Correct Answer: A) Oxygenated blood.

11. The 3 tubes that make up the "roadway" for blood to travel are .....

Correct Answer: B) Veins, arteries, platelets.

12. A ..... is an ordered arrangement of animals and plants in which each feeds on the one below it.

Correct Answer: B) Food Chain.

13. Which organ system in humans is most directly involved in the transport of oxygen?

Correct Answer: D) Circulatory.

14. What parts of the heart keeps blood flowing in one direction?

Correct Answer: C) Valves.

15. Leukocytes are in.....

Correct Answer: B) Blood cells.

16. The muscular tissue of your heart, known as ....., is what contracts to pump blood through the circulatory system.

Correct Answer: B) Myocardium.

17. Which blood group are known as universal donors?

Correct Answer: D) O.

18. Pus is composed of

Correct Answer: B) Bacteria, white blood cells and damaged cells.

19. What is the heart valve that separates the upper and lower chambers?

Correct Answer: B) AV valve.

20. The heart usually beats ..... times per minute.

Correct Answer: C) 60-100.