Question

what is suction mechanism and what makes it possible​

Answer 1

Explanation:

When animals breathe, the diaphragm and muscles around the rib cage cause a change of volume in the lungs. The increased volume of the chest cavity decreases the pressure inside, creating an imbalance with the ambient air pressure, resulting in suction.

Answer 2

Answer:

When animals breath , the diaphragm and muscle around the rib cage cause a change of volume in the lungs . The increased volume of the chest cavity decreases the pressure inside , creating an imbalance with the ambient air pressure , resulting in suction .