What is a function of the endocrine system? a) to deliver oxygen b) to secrete hormones eliminate c) to fight off infection d) to maintain temperature

The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function.

the answer is d

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