Question

The size of the chest cavity increases during inhalation - State whether the statement is True or False? Justify your answer. Topic: Respiration in Organisms

Answer 1

true because the air fills the lungs. so the chest cavity increases

Answer 2

Respiration is an important process of all life forms.

In the humans, respiration comprises of inhalation and exhalation.

During the inhallation process, air is breathed in and it expands the chest cavity by lowering the diaphragm.

During the exhalation process, the reverse happens, the diaphragm moves back to its initial position, the size of the chest cavity shrinks.