Question

3 kinds of blood vessels of human circulatory system with function

Answer 1

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HERE IS YOUR ANSWER...

The main function of blood vessels is to carry blood through the body. The blood carries oxygen, nutrients, and wastes that need to move around the body. There are three kinds of blood vessels: arteries, veins, and capillaries.

The arteries carry blood away from the heart and transport it to the rest of the body. The blood in arteries carries oxygen and nutrients to different parts of the body.(with the exception of pulmonary artery)

The veins carry blood the opposite direction, back to the heart from the rest of the body. The blood in veins carry wastes that need to leave the body.(with the exception of pulmonary vein)

Arteries have a thicker wall and a smaller inside hole than veins. The reason for this is that arteries carry blood that is pumped all over the body. That pumping requires a lot of power from the heart. This pumping causes high pressure, and so the walls of the artery need to be thick and strong.

The third kind of blood vessels is capillaries. They are very tiny. You would need a microscope to see one. They connect the arteries to the veins. They let oxygen and nutrients pass from the blood to body cells. They also let carbon dioxide and other wastes pass from the cells back into the blood. This is possible because the walls of the capillaries are so thin that substances can pass through easily. This happens through a process called diffusion.

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Answer 2

HEY BUDDY!!

HERE IS YOUR ANSWER...

The main function of blood vessels is to carry blood through the body. The blood carries oxygen, nutrients, and wastes that need to move around the body. There are three kinds of blood vessels: arteries, veins, and capillaries.

The arteries carry blood away from the heart and transport it to the rest of the body. The blood in arteries carries oxygen and nutrients to different parts of the body.(with the exception of pulmonary artery)

The veins carry blood the opposite direction, back to the heart from the rest of the body. The blood in veins carry wastes that need to leave the body.(with the exception of pulmonary vein)

Arteries have a thicker wall and a smaller inside hole than veins. The reason for this is that arteries carry blood that is pumped all over the body. That pumping requires a lot of power from the heart. This pumping causes high pressure, and so the walls of the artery need to be thick and strong.

The third kind of blood vessels is capillaries. They are very tiny. You would need a microscope to see one. They connect the arteries to the veins. They let oxygen and nutrients pass from the blood to body cells. They also let carbon dioxide and other wastes pass from the cells back into the blood. This is possible because the walls of the capillaries are so thin that substances can pass through easily.