Group of organs and tissues that transport essential materials to the body cells and removes their waste

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

To avoid whiplash, the center of the headrest must be your ears.

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