Question

why blood is needed by all parts of our body? ​

Answer 1

Answer:

Blood brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.

Explanation:

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Answer 2

Answer:

Blood is necessary by all parts of the body because it carries oxygen and nutrients to all parts of the body to keep them on working and it also carries Carbon dioxide and other waste materials to the lungs and kidneys.