State the factors affecting the oxygen haemoglobin binding.

2

(a)

What does the oxygen haemoglobin dissociation curve indicate?

2

(a)

What is the role of carbonic anhydrase in humans?

2

(a)

Define vital capacity. What is its significance?

2

(a)

What is Adam's apple? Is it more prominent in males or females?

2

(a)

Write about Haldane effect.How does Haldane effect and Bohr effect complement each other?

2

(a)

What happens to the respiratory process in a man going up a hill?

2

(a)

State the volume of air remaining in the lungs after a normal breathing.

2

(a)

How will you define lungs?

2

(a)

How is the entry of food prevented in the respiratory tract?

2

(a)

Gills of fish are red in colour. Why?

2

(a)

Which part of the respiratory tract is also called sound box?

2

(a)

Where does the exchange of gases take place in lungs?

2

(a)

Which muscles facilitate breathing?

2

(a)

What effect does cigarette smoking have on total lung capacity?

2

(a)