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NeX [460]
3 years ago
15

What is the large band of muscle that controls the size of the chest cavity called?

Biology
1 answer:
polet [3.4K]3 years ago
5 0
<span>DIAPHRAGM. Actually the diaphragm is strongly attached to the base of sternum, then spine and also the ribcage at lower parts, So when diaphragm contracts, the length gets increases and also the diameter of chest, which expands the lungs, where the intercostal muscles controls and helps to move the ribcage and support in breathing, hence controls the size of the chest cavity.</span>
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Answer:

volume  = 0.285 L

Explanation:

Henry constant is given as

Henry constant  =  \frac{C}{P}

Where C  is concentration

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Henry\ constant = \frac{0.00056}{0.80} = 0.0007 M/atm

when atmospheric pressure 4 atm

solubility = K_H\times P

              = 0.0007 \times 4 = 0.0028 M

In 5 litere blood , moles of N_2 = Molarity \times volume

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At surface moles  = 0.0056 \times 5 = 0.0028

Moles of N_2 release = 0.014 - 0.0028 = 0.0112

Mass of N_2 = 0.0112 \times 28 = 0.314 g

T = 37 + 273 = 310 K

VOLUME = \frac{nRT}{P}

= \frac{0.0112\times 0.0821\times 310}{1}

volume  = 0.285 L

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