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It takes energy to lift heavy things.
To help with this, the cells in our
muscles contain lots of...
A. mitochondria
B. smooth ER
C. detoxifying agents
D. defense agents

It takes energy to lift heavy things To help with this the cells in our muscles contain lots of A mitochondria B smooth ER C detoxifying agents D defense agents class=

Respuesta :

Answer:

A

Explanation:

It helps the human body do task like lifting heavy things

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