Question

. Describe the process of inhalation and exhalation in steps.

Answer 1

Answer:

The air we inhale air or take in air rich in oxygenis called inhalation and the process of exhal or take out of air rich in carbondioxide is called exhalation

Explanation:

Answer 2

Answer:

During Inhalation process :

the ribs moves up and outwards while the diaphragm moves down . this moment increases space in our chest cavity and thus reduces pressure inside the chest cavity . the air outside nostrils which is higher pressure thus rushes into the lungs and the lungs get filled with air .

During Exhalation process :

the ribs moves down and inwards while the diaphragm moves up to its former position ( upwards) this reduces the size of the chest cavity and thus increases the pressure inside the chest cavity . this pushes the air out of the lungs .

these breathing movements can easily be felt in our body . take a deep breath while keeping your palm on the abdomen . you can easily feel the movement of abdomen and expansion of your chest cavity .