for my assignment pls comment

Conceptual Questions

1. Why is the position of lung tissues within the body an advantage for terrestrial animals? 

2. After a heavy rain, earthworms come to the surface. How would you explain this behavior in terms of an earthworm’s requirements for gas exchange? 

3. How does an increase in the carbon dioxide concentration in the blood affect the pH of the cerebrospinal fluid?

part 2

1Explain the underlying mechanism in the opening and closing of a stomate. 

2. How does oxygen get to the different parts of the plant? 

3. Explain countercurrent flow. How does it help make the fish gill the most efficient respiratory organ? 

4. Compare the avian and mammalian lungs in terms of structure and respiratory function. 

5. Discuss the special adaptations for life at high altitudes. 

6. In what form does most of the carbon dioxide travel in the blood? How and where is this molecule produced? 

7. How does the brain control inspiration and expiration? How do peripheral and central chemoreceptors influence the brain’s control of breathing? 

8. What respiratory problems can arise from habitual smoking? Explain how these problems may develop due to smoking.