Question

22) When we breathe out, why does the air passage not collapse?
23) Respiration is an exothermic process. Justify the statement.
24) What happens to the rate of breathing after vigorous exercise and why?
25) Why do lungs always have residual air?
26) Leakage of blood vessels reduces the efficiency of pumping system.
How is the leakage prevented?
27) Transpiration is a necessary evil. Why?
28) Why ventricles have a thicker wall as compared to auricles?
29) If one holds his breath after expiration for about 60s, would there be still
occurring any exchange of gases in the lungs during this period? Explain.
30) All plants give out oxygen during day and carbon dioxide during night.
Do you agree to this? Give reason.
31) Plants have low energy needs as compared to animals. Explain.​

Answer 1

Answer:

23 answer is yes because of sunlight equation