Question

Distinguish between
a) inspiration and expiration b) aerobic and anaerobic respiration
c) respiration and combustion d) photosynthesis and respiration

Answer 1

Inspiration
Due to inspiration the ribs rise due toworking of intercotal muscles.
Diaphragm contracts and straightens. Volume of the thoracic cavity incrsses. The pressure in thoracic cavity become lower than the atmospheric pressure.
The air enters in.

Expiration
Ribs lower due to the working of interalcostal muscles.
Diaphragm relaxes.
Volume of the thoracic cavity decreases.The pressure in the thoracic cavity become higher than the atmospheric pressure.The air is expelled out.

Answer 2

Answer:

this answer from the guide