Question

During the process of exhalation, the ribs move

(a) down and inwards

(b) up and inwards

(c) down and outwards

(d) up and outwards



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Answer 1

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During exhalation, ribs move down and inwards, while diaphragm move upwards and relaxes. This reduces the size of the chest cavity and air is pushed out of the lungs.

(a) down and inwards

Answer 2

Answer:

a)

Explanation:

during the process of exhalation the ribs move down and inward due to loss of volume of air and increase in the pressure in the lungs

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