Question

what is the answer ?????​

Answer 1

Your answer is food.

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Answer 2

Answer:

iv) all of these

Explanation:

we need food in all the parts of our body to perform functions

we need oxygen in all the parts of our body to perform these functions well and to stay alive

body wastes should be transported from one place to another because if it remains at one place , the poison will not be excreted out of our body