write differences between. Inspiration and expiration
Answers
During the expiration process, the diaphragm relaxes and the volume of thoracic cavity decreases gradually. ... The key difference between inspiration and respiration is, the inspiration is an active process which brings air into the lungs while the expiration is a passive process which excludes air out of the lungs
Answer:
INSPIRATION:
a)The act of drawing air into the lungs.
b)Rib cages move forward and upward.
c) Contraction of external intercostals muscles and relaxations and internal intercostals muscles occur.
d) Increase in volume of the thoracic cavity.
e)Diaphragm contracts and becomes flattened.
f)Increase in volume of the thoracic cavity.
g) Air pressure in lungs is less than atmospheric pressure.
EXPIRATION:
a)Expulsion of air from the lungs.
b)Rib cages move downward and inward.
c)Relaxations of external intercostals muscles and Contraction of internal intercostals muscles occur
e) Diaphragm relaxes and becomes original dome-shaped.
f) The decrease in the volume of the thoracic cavity.
g) Air pressure in lungs is higher than atmospheric pressure.
Explanation:
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