BIOLOGY

2. What is the main gas responsible for the greenhouse effect in the atmosphere?
3. What is the function of cilia in the respiratory tract?
7. Which gas is the primary product of cellular respiration?
9. What is the primary respiratory pigment in humans?
12. What is the process of the movement of gases from an area of higher concentration to an area of lower concentration?
14. What is the term for the volume of air inspired forcefully after a normal inspiration?
16. What is the term for the total volume of air a person's lungs can hold?
19. respiration What is the process of breakdown of glucose in the absence of oxygen called?
20. Name the respiratory pigment in plants.
21. Name the condition characterized by the collapse of lung tissue.
23. Name the muscular partition separating the thoracic and abdominal cavities.
24. Name the respiratory disorder characterized by inflammation and constriction of airways.

1. What is the term for the diffusion of gases between blood and body tissues?
3. Which gas is responsible for maintaining the acidity of the blood?
4. Which respiratory pigment is found in insects?
5. What is the term for the maximum volume of air a person can exhale after a maximal inhalation?
6. Name the small air sacs where gas exchange occurs in the lungs.
8. anhydrase: Which enzyme in red blood cells facilitates the conversion of carbon dioxide to bicarbonate ions?
10. Which gas is transported in the blood as a dissolved molecule?
11. Which component of tobacco smoke is harmful to the respiratory system?
13. What is the term for the amount of air remaining in the lungs after a forced expiration?
15. What is the site of gas exchange in plants?
17. Which part of the brain controls the basic rhythm of breathing?
18. Name the enzyme responsible for breaking down surfactant in the alveoli.
22. What is the term for the volume of air inspired or expired during normal breathing?