When lifting a heavy weight, more motor neurons are called into action to overcome the weight by creating a greater tension. this phenomenon is known as

The answer is recruitment.

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most community's take hundreds of years to become stable

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.