What cardiovascular process are you modeling when you squeeze the plastic bottle?

Biology

1 answer:

Korvikt [17]3 years ago

6 0

Answer:

Squeezing a plastic bottle mimics the cardiac systole of the cardiovascular cycle.

Explanation:

Cardiovascular System:

Composed of the heart and circulatory system, the cardiovascular system transports nutrients and oxygen to the body. The heart functions as a pump, following the cardiac cycle to transport blood.

Cardiac Cycle:

A cardiac cycle defines the contraction and relaxation of the heart chambers. It comprises of:

Diastole (atrial and ventricular)
Systole (atrial and ventricular)

The diastole is defined as the relaxation of heart muscles when its chambers are being filled with blood. Atrial diastole indicates the filling of the right and left atria.

The systole is the contraction or "squeezing" of the heart muscles that squeeze the blood outside of the heart. Atrial systole pushes blood out of the heart to the lungs. Ventricular systole pushes blood to the aorta that supplies blood to all parts of the body.

Therefore, as squeezing a plastic bottle pushes liquid out, it resembles a cardiac systole.

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