What is breathness?

Answer 1

Breathing is the exchange of gases between the cells of an organism and the external evironment.

In simple words: Ventilation,or bringing oxigen into the lungs and Circulation,or transporting the oxigen all over the body , where is needed.

Breathing or respiration is an important activityof the human body.This is made possible by the lungs with the help of the diaphragm,a big muscle locate at the bottom of the chest cavity.
Breathing is respiration. your body taking in air.