True about normal expiration
Correct Answer: At the end of normal expiration air in lung is ERV
Description: Your expiratory reserve volume is the amount of extra air -- above anormal breath -- exhaled during a forceful breath out. The average ERV volume is about 1100 mL in males and 800 mL in females Ref: guyton and hall textbook of medical physiology 12 edition page number:324,325,326
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Physiology
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