3 years ago

What do you call the muscle beneath the chest cavity that contracts and expand during breathing?

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1 answer:

lakkis [162]3 years ago

8 0

Diaphragm contracts when you inhale and relaxes when you exhale.

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we know that

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Step 1

Find the radius of the water tank in the middle of the tank

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$\frac{10}{3} =\frac{5}{x} \\ \\ 10*x=5*3\\ \\ x=\frac{15}{10} \\ \\ x=1.5m$

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Step 2

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$A=7.07\ m^{2}$

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