Question

2.19) 1) Why is blood needed by all the parts of a body?​

Answer 1

Answer:

blood transports nessecary materials and substances like oxygen, nutrients etc which are needed for smooth functioning of our body, hence blood is needed by all the parts of the body

Explanation:

Answer 2

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Because blood supplies oxygen, food, nutrients etc to all cells in our body if there was no blood how humans can survive when cells will not get necessary subtances to survive.

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