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7th grade ScienceC2
Question | Answer |
---|---|
Excretion system | the system in the body that collects wastes produced by cells and removes the wastes from the body. |
Urea | is a chemical that comes from the breakdown of proteins. |
Kidneys | the major organs of the excretory system |
Urine | a watery fluid that contains urea and other wastes. |
Ureters | Urine flows from the kidneys through two narrow tubes |
Urinary Bladder | a sack-like muscular organ that stores urine. |
Urethra | Urine leaves the body through a small tube |