. How do human beings breathe?
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2
Answer:
breathing in
Explanation:
The diaphragm is pulled flat, pushing out the lower ribcage and abdomen. At the same time, the muscles between your ribs pull your rib cage up and out. This expands the chest and draws air into the lungs. Air is pulled into your nose or mouth, and into your windpipe.
Answered by
1
Answer:
Human beings breathe through their nose and lungs . They inhale oxygen and exhale carbon dioxide
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