Biology, asked by arshdeep670, 1 day ago

explain this line-
We have the ability to increase the strength of inspiration and expiration with the help of additional muscles in the abdomen.(NCERT class11 bio pg 271)
my question is which extra muscles and how does it help.

Answers

Answered by rustumdesai2000
0

Answer:

We have the ability to increase the strength of inspiration and expiration with the help of additional muscles in the abdomen. On an average, a healthy human breathes 12-16 times/minute.

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