Ch. 8.2 The Excretory Syste m. 1. systems that form the excretory system. digestive system- undigested food leaves through large intestine respiratory system- carbon dioxide and water out skin- salt and organic substances leave through sweat
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The Excretory System
digestive system- undigested food leaves through large intestine
respiratory system- carbon dioxide and water out
skin- salt and organic substances leave through sweat
urinary system- water, metabolic wastes, and salts out in urine
2. urinary system
3. regulating fluid levels
-filter blood that contains wastes collected from cells, all blood in body passes through in 5 minutes
- tubes that lead from each kidney to the bladder
- a tube that carries urine from the bladder to the outside of the body
12. What happens if wastes are not removed?
- an artificial kidney machine used to filter blood if both kidneys fail