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Urinary System Vocab
the urinary system
10
Science
7th Grade
12/17/2008

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Cards

Term

bladder

Definition

organ that holds urine until it leaves the body

Term
villi
Definition
fingerlike projections in the small intestine
Term
nephron
Definition
tiny filtering unit in the kidney
Term

mechanical digestion

Definition
digestion that takes place when food is chewed, mixed, and churned
Term
urethra
Definition
structure that carries urine from the bladder to the outside of the body
Term
digestion
Definition
the process that breaks down food into small molecules so that they can be moved into the blood and absorbed by the cells
Term

urine

Definition
wastewater that is excerted be the kidneys
Term
chemical digestion
Definition
digestion that takes place when chemical reactions break down large molecules of food into smaller ones
Term
kidney
Definition
urinary system of organ made up of about million nephrons
Term
chyme
Definition
food from the stomach that has been changed into a thin, watery liquid that moves into the small intestine
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