Question

true or false? to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax

Answer 1

The thorax is a very vital and important organ in the human body.

• It is a structure that serves as a protective covering for organs in the body such as the lungs, the heart, some vital blood vessels e.t.c

It is false that to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.

• When a person breathes in,  the chest cavity expands (the volume increases) and the pressure in the thorax decreases.

• When a person breathes out, the chest cavity decreases in size, and the pressure in the thorax increases.

• Therefore, we can see that the process of breathing in humans, follows the principle of Boyle's Law.

• Boyle's law states that as the volume increases there is a decrease in pressure and as the volume decrease there is an increase in pressure.

Therefore, It is false that to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.

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