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LCE Science

Ch: 4 Respiration and Excretion Sec 3: The Excretory System

TermDefinition
excretion the process by which wastes are removed from the body
urea a chemical that comes from the breakdown of proteins
kidney a major organ of the excretory system which removes urea and other wastes from the blood
urine a watery fluid produced by the kidneys that contains urea and other wastes
ureter a narrow tube that carries urine from one of the kidneys to the urinary bladder
urinary bladder a sack-like muscular organ that stores urine until it is eliminated from the body
urethra a small tube from which urine flows from the body
nephron small filtering structure found in the kidneys that removes wastes from blood and produces urine
Created by: LCEclass
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