13 terms

vocab science

endocrine system
a system of glands that chemically controls the functions of cells,tissues, and organs through secretion of hormones.
chemicals produced made by an endocrine glands
produces and secretes hormones, there are 2 kinds; duct and ductless
they are the ductless glands that secretes hormones directly into the blood stream without passing them through a tube or duct
they have ducts, they secrete substances onto the surface of body tissues
to produce and release hormones
releasing fluids and other waste products
study of the endocrine system
pituitary gland
located at the bottom or the base of the brain,the master gland, secretes hormones that control all other glands and hormones
that regulates growth
thyroid gland
endocrine gland located below the voice box; it secretes hormones that controls the rate at which the body burns energy and uses food (nutrients)
controls the growth of bones and the amount of calcium in your body
It is both a duct and ductless gland; it secretes a hormone called insulin that regulates how the body uses and stores sugars(glucose); when the pancreas does not produce enough insulin a person may have a disease called diabetes.
Adrenal glands
Secretes a hormone called adrenaline especially when a person is frighten, angry, or nervous; this causes rapid heartbeat and breathing and also sweaty palms.