Steroids dissolve fatty tissue in the brain.
Inhalants influences moods
And Stimulant speed up bony function.
Biologically speaking, metabolism is the sum of all chemical processes within the body, though it is often referred to as those which involve digestion and cellular respiration.
That said, the answer here should be B: <span>The process by which the body gets energy from food.
For the record, A is the definition of puberty, C is likely the definition of hormones, and D is the definition of adolescence.
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