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