Category:Endocrine system

The endocrine system is a control system of ductless endocrine glands that secrete chemical messengers called hormones that circulate within the body via the bloodstream to affect distant organs. It does not include exocrine glands such as salivary glands, sweat glands and glands within the gastrointestinal tract.

Subcategories

This category has the following 20 subcategories, out of 20 total.

D

H

K

P

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T