Science 14

Question 1

a. Define Veins

Answer 1

Blood vessels that carry blood back to the heart

Question 2

b. Define Arteries

Answer 2

Blood vessels that carry blood away from the heart

Question 3

c. Define Capillary

Answer 3

Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and cells and are located between arteries and veins

Question 4

2. What purpose do the lungs serve?

Answer 4

The lungs oxygenate the blood and allow the blood to get rid of carbon dioxide

Question 5

3. What purpose does the heart server?

Answer 5

the heart pumps the blood throughout the circulatory system.

Question 6

4. How many chambers does the heart have? Name them

Answer 6

The human hear has four chambers, the right atrium, the left atrium, right ventricle, and the left ventrical

Question 7

5. What is special about a four chambered heart as compared to a three chambered heart or a two chamber heart?

Answer 7

A four-chambered heart is much more efficient than other kinds of hearts

Question 8

6. In what kind of blood vessels does the blood transfer oxygen the cells and pick up wastes?

Answer 8

Capillaries

Question 9

7. When deoxygenated blood s returning to the heart, into what chamber does it enter the heart?

Answer 9

Right atrium

Question 10

8. After entering the heart, the deoxygenated blood is then transferred to a second chamber. What chamber is that?

Answer 10

Right ventricle

Question 11

9. When deoxygenated blood leaves the heart, where does it go?

Answer 11

lungs

Question 12

10. When oxygenated blood comes into the heart, what chamber does it fill?

Answer 12

Left atrium.

Question 13

11. Once the oxygenated blood is back in the heart, it is then transferred to another chamber. What chamber is that?

Answer 13

Left ventricle

Question 14

12. When oxygenated blood leaves the heart, through what artery does it travel first?

Answer 14

Aorta

Question 15

13. Most veins carry what kind of blood (oxygenated or deoxygenated)? are there any exceptions?

Answer 15

Deoxygenated blood, there are exceptions

Question 16

14. Name the three types of blood cells and their main job in the blood.

Answer 16

The red blood cells carry oxygen to the other cells of the body, the white blood cells fight disease-causing organisms, and the blood platelets aid the blood clotting process.

Question 17

15. What makes up more than half of your blood?

Answer 17

Plasma

Question 18

16. What is hemoglobin and where is it found?

Answer 18

Hemoglobin is a protein that carries oxygen. It is found in the red blood cells.

Question 19

17. Where are blood cells produced?

Answer 19

Bone marrow

Question 20

18. What are alveoli? What happens in the alveoli?

Answer 20

Alveoli are small sacs at the end of tiny bronchial tubes. Oxygenation of blood takes place in them. The blood also gives up waste products there.

Question 21

19. What kind of blood vessels surrounds the alveoli?

Answer 21

Capillaries surround the alveoli.

Question 22

20. Where are the bronchial tubes found, and what travels in them?

Answer 22

lungs

Question 23

When you inhale, air travels through the following parts if the respiratory system: pharynx, nasal cavity, trachea, larynx, alveoli, bronchial tubes.

Answer 23

Nasal cavity, pharynx, larynx, trachea, bronchial tubes, alveoli.

Question 24

22. Which of the parts listed in the question above contains the vocal cords?

Answer 24

larynx