Circulatory System Quiz 12 (25 MCQs)

Quiz Instructions:

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1. Our body can produce specific antibodies to counteract.

2. They connect arteries and veins

3. These help stop bleeding, and are attached to blood cells

4. The rate at which the heart beats per minute in an adult averages.

5. What is the purpose of circulation

6. The four chambers of the heart are:

7. Which blood vessel allows the exchangeof gases within tissues?

8. Which of the following are the blood vessels that have a wall that is 1 cell thick?

9. What is the heart made up of?

10. Which of the following are blood antioagulants? 1 Heparin 2 Potassium fluoride 3 Calcium oxalate 4 Sodium oxalate

11. Blood is carried back to your heart in little tubes called _____

12. Plasma is a watery substance made up of

13. The study of heart is called.

14. This particular blood vessel carries de-oxygenated blood from the lower half of the body to the right atrium.

15. You absorb the nutrients your body needs during _____

16. The leucocytes that are stained by alkaline dyes are called.

17. Oxygenated blood returns to the heart via the Pulmonary vein to the _____

18. Middle, muscular layer of the heart.

19. The blood comes back to the heart from the body through two big veins called the _____

20. Indra measured his resting heart rate for 15 seconds. He counted 19 beats. What was his heart rate in bpm?

21. Which blood vessel takes blood AWAY from the heart?

22. Carbon dioxide tends to _____ animal cells.

23. What is the main organ in the circulatory system?

24. What layer of the heart would be most immediately susceptible to infections caused by bacteria circulating in the blood?

25. An iron containing pigment that increases the oxygen carrying capacity of the blood.