Y2020 – Đề thi GK

1. The doctor listens to heart sounds with a ______.

2. Breathing is controlled by the ______.

3. The small intestine is the location where ______.

4. ______ is the rigid structure that connects the larynx with the bronchi.

5. ______ liquefies food and begins to digest starch molecules.

6. The layer of the heart wall actually does the pumping of blood is the ______.

7. You can tell if a food is sweet or salty because you have ______ in your mouth.

8. ______ carry blood directly from the heart. They have thick, muscular walls.

9. ______ are very tiny bubbles where gas exchange takes place.

10. Your voice is produced in the ______.

11. The rate of contraction is determined by ______ (also called the pacemaker).

12. The ______ is a flap of tissue that covers the trachea when you swallow.

13. The outermost layer of a tooth, called _____, is very hard and protects the tooth.

14. ______ is a special type of muscle contraction that propels food down the esophagus to the stomach.

15. The job of this organ is to secrete hormones:

16. Blood containing food molecules goes from the small intestine to the ______.

17. Macrophages are found in the ______.

18. The strings that keep valves from opening in the wrong direction are called_____.

19. A ring of muscles that separates two organs is called a ______.

20. Blood pressure is the pressure exerted by blood on the walls of the ______.