Question

write three main function of the blood ​

Answer 1

Answer:

Blood has three main functions: transport, protection and regulation.

Explanation:  

1)Blood transports the following substances: Gases, namely oxygen (O2) and carbon dioxide (CO2), between the lungs and rest of the body. .2)  important function of the blood is its protective action against disease.3) Blood flow through the body is regulated by the size of blood vessels, by the action of smooth muscle, by one-way valves, and by the fluid pressure of the blood itself. Blood pressure is related to the blood velocity in the arteries and arterioles.

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Answer 2

Here is your answer my friend:

• Blood helps to carry oxygen to the required parts of the body.
• Blood also carries food to the cells of the body through arteries.
• Blood contains immune cells which help in destroying foreign invaders and pathogens.
• Blood also contains clotting factors and platelets which help in clotting a wound opening and to prevent foreign particles from entering our body.

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