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Which action is one of the main functions of the circulatory system? I need this ASAP! thanks :)

1. delivering substances to the cells of the body
2. producing substances in the cells of the body
3. breaking down substances in the cells of the body

Respuesta :

It's, 1. delivering substances to the cells of the body.

I know im late but its the first option because the circulatory system delivers the stuff in the cells throughout your body thats why its called circulatory :)

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