3. Compare the works of the following parts of human heart by filling in the table below. Write your answer on the table.

Parts of human heart and its role and functions are explained below in details.

Explanation:

The heart is a muscular organ about the dimension of a hand, positioned just back and slightly left of the breastbone. The heart elevates blood through the system of veins and arteries called the cardiovascular arrangement.

The heart has four chambers:

The right atrium receives serum from the veins and elevates it to the right ventricle.The left side atrium carries oxygenated blood from the lungs and elevates it to the left ventricle.The right ventricle takes blood from the right atrium and elevates it to the lungs, where oxygen is filled.The left ventricle elevates oxygen-rich serum to the remainder of the body. The left ventricle strong contractions produce our blood pressure.

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