Question

Explain briefly how the air goes in and out of the lungs.

Answer 1

Answer:

When we breathe, our diaphragm contract downward. This helps our lungs increase. In this process, we inhale oxygen. When we breathe out, it is called exhaling. Our diaphragm relaxes, and we expel carbon dioxide.

꒰⚘݄꒱₊ kt - hope this helps