Answer:
Explanation:
They might lose control and fall or get injured some other way.
Yes, i woudnt advise it. there is a reason people don't take steroids
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Answer: c. the physical movement of air into and out of the lungs.
Explanation:
Pulmonary ventillation is also called as breathing. This is the process which involves the inhalation or physical entry of air inside the lungs this process is called as inspiration. And the flow out of air out of the lungs is called as exhalation. The flow of air creates a pressure difference between the atmosphere and the lungs.
