Question

what is Breathing .
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Answer 1

Answer:

Breathing is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide.

Answer 2

Medical Definition of Breathing

Breathing: The process of respiration, during which air is inhaled into the lungs through the mouth or nose due to muscle contraction and then exhaled due to muscle relaxation

There are two main types of breathing: chest breathing abdominal (or diaphragmatic) breathing.