[___] is when adolescents reach sexual maturity and become capable of [___]. During this time, physical and emotional changes occur and are influenced by the [___] system, which releases hormones into the bloodstream.

The process when adolescents reach sexual maturity is called puberty, and becoming capable of reproduction is one of its key features. The physical and emotional changes are influenced by the endocrine system, which releases hormones into the bloodstream. The matching choice is reproduction.

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