Which statements describe the endocrine system? Check all that apply.It helps regulate mood.It helps regulate social skills.It consists only of glands located in the head.It helps regulate reproductive processes.It helps regulate growth and development.It secretes hormones into the bloodstream.

The endocrine system is made up of glands that release hormones into the bloodstream. These hormones help regulate mood, reproductive processes, and growth and development, so statements A, D, E, and F describe it. It is not limited to glands in the head, and regulating social skills is not a defining function of the endocrine system.

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