Biology, asked by Brainlypopgirl, 1 year ago

How do we breathe????????
pls Answer Briefly
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Answers

Answered by sejalsharma112
2

Answer:

we breath through nose .....air goes inside the body and filtered by lungs ,only oxygen is used and other component of air is goes out....its a simple biological process

Answered by shivjal
3

Answer:

When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand. The intercostal muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

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