Endocrine System
Glands
Collection of glands that secrete chemical messages (hormones) through the blood to a target organ.
An organ that secretes chemical substances for use in the body
Exocrine Gland
Endocrine Gland
Secretes their products, hormones directly into the blood rather than through a duct Examples:
Secretes their products through way of ducts. Not necessarily endocrine system. Examples: sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, and mucous
hypothalamus.
pituitary gland.
thyroid.
parathyroids.
adrenal glands.
pineal body.
reproductive glands (which include the ovaries and testes)
pancreas.
Hormones
Example: Insulin
sent to target cells
cells respond to hormones because of cell receptors
Made up of
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