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How does cellular respiration help heal a bruise?

It produces the oxygen used to heal cells.
It produces the glucose used to heal cells.
It produces the energy used to heal cells.
It produces the mitochondria used to heal cells.

It helps heal a bruise by producing the energy required to heal cells.

Explanation:

The mitochondria, which are responsible for cellular respiration, are also the powerhouses of the cells, and create the energy the cell uses.

It produces the energy used to heal cells.

Explanation:

                             _

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         /, ~\                / /

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            (_/ (_/      ((_/

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.