Question

what are the four steps for breathing ???​

Answer 1

Answer:

Respiration consists of 4 distinct processes:

Pulmonary Ventilation. moving air into and out of the lungs. ...

External Respiration.

Transport. transport of oxygen and carbon dioxide between the lungs and tissues.

Internal Respiration. diffusion of gases between the blood of the systemic capillaries and cells.

Explanation:

Thanku

Answer 2

Explanation:

inhale breath

exhale breath

inhale breath

exHale breathe