Question

Name two useful things that are circulated in all animals

Answer 1

Two most useful things that are circulated within all animals are blood and hormones.

Every organisms transport various substances within themselves from one part of the body to another.

This is something very important for all our body cells to be alive.

And the main role in this transportation of substances within the body of an organism is played by blood and hormones

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Answer 2

the two useful things that are circulated in all animals are 1)blood 2) hormones

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