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22 Cards in this Set

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  • Back
Negative feedback
type of regulation that responds to a change in conditions by initiating responses that will counteract the change
Excretion
the removal of nitrogen-containing wastes from the body
Hormones
trigger many of the responses that maintain homeostasis. Hormones are secreted by organs of the endocrine system called endocrine glands
Endocrine glands
organ in the endocrine system that secretes hormones
Target cells
cell with chemical receptors that cause it to respond to a particular hormone
Kidneys
two bean-shaped structures that excrete waste products and regulate water and salt balance
Urine
a liquid composed of water, urea and other waste products
Ureter
carries urine to the urinary bladder
Urinary bladder
a collapsible sac that temporarily stores urine until it is eliminated from the body.
Urethra
a tube were the urine leaves the bladder
Nephrons
consists of one tubule and its associated blood vessel
Glomerulus
tiny ball of capillaries- located at the beginning of each nephron tubule.
Dialysis
a treatment for kidney failure
Hepatitis
a liver disease that is caused by a virus – hepatitis B is the most contagious –characterized by inflammation of the liver
Cirrhosis
occurs when the liver is scarred and no longer functions effectively
Hypothalamus
often referred to as master control of endocrine system-region of the brain –manufactures hormones that direct the activities of many endocrine glands (pituitary gland) –receives and sends nerve signals making the link between the nervous and the endocrine systems –maintains homeostasis by regulating blood pressure, temperature, and other conditions.
Pituitary Gland
stimulated by the hypothalamus –secretes hormones that influence other glands and body functions
Thyroid
located in your neck and is a butterfly shaped gland wrapped around your trachea
Pancreas
produces insulin and glucagons (two hormones that manage the bodies energy supply by regulating the amount of glucose in the blood)
Diabetes
disease in which your body cannot absorb enough glucose from the blood
Adrenal glands
located at the top of the kidneys –produce hormones in response to stress
Kidney Function
blood processed and urine excreted (4 step process)