Question

3
(a) In the process of respiration, state the function of alveoli.
(b) Rate of breathing in aquatic organisms is much faster than that in
terrestrial organisms. Give reasons.
(c) Complete the following pathway showing the breakdown of glucose :
in cytoplasm
?
Presence of O2
?
Glucose
→ (i)
(ii)
+ H2O
(3-carbon in mitochondria
(6-carbon
molecules
+ energy
molecules)
+ energy)​

Answer 1

Answer:

The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body.

Aquatic animals take in the oxygen dissolved in water. The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. Therefore, rate of breathing in aquatic organisms is much faster than in terrestrial organisms.

Answer 2

The question is very hard. Sorry I am not know the answer.

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