Question

What is breathing?.........​

Answer 1

Answer:-

• Breathing (or ventilation) 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.

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Answer 2

Answer:

hope this will help you .

Step-by-step explanation:

The air goes into our nostrils and then in nasal cavity and then it goes into trachea and then in bronchies and bronciolies and then in lungs . when breathe during inhalation diaphragm a muscular sheet moves down with ribs and while exhalation diaphragm relaxes with ribs.

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