Answers

2014-09-21T16:36:44+05:30
Inhalation means breathing in air. It is also called inspiration.
When the rib cage moves up and the diaphragm relaxes, lung expand. More space is created inside the lungs and we inhale oxygen rich air.
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  • Brainly User
2014-09-21T17:49:21+05:30
WHEN WE BREATH IN THEN THE NEED OF LARGE SPACE IS NEED I OUR LUNGS SO UR DIPHAGRAM MOVE DOWN AND RIBS BONES GET MOVE OUT OUTWARD & OUR LUNGS BECOME LIKE A BALOON.
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