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19-09-2019
Biology

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In animals how do oxygen and food travel to all the cells of the body

In animals how do oxygen and food travel to all the cells of the body class=

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19-09-2019

Oxygen is needed for cellular respiration to release the energy from food molecules. ... Animals have lungs or gills that allow oxygen to enter the animal's cells while plants have small pores called stoma that allow gases to enter and leave their leaves.

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