Question

The pressure in the lungs of a student before and during the start of a volleyball match was recorded. The results are shown in Fig.2.1

(a) (i) Use the results in Fig. 2.1 to calculate the breathing rate before the start of the match.
(ii) Use the results in Fig. 2.1 to describe how the pattern of breathing during the match is different from the pattern of breathing before the match starts.
iii)Amphibians, such as frogs, breathe by collecting air in a pouch below their throat. Muscles then contract the pouch and force air into their lungs. How does this differ from inhalation in humans and other mammals?

Answer 1

Answer:

I don't know

Explanation:

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