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Stack #4194758
excretion
Term | Definition |
---|---|
excretion | removal of metabolic wastes in the body |
carbon dioxide - MW | cellular respiration everywhere in all cells, lungs and skin |
water - MW | cellular respiration everywhere is all cells, kidneys and skin |
urea - MW | liver produced in the process of deamination |
salts - MW | excess dietary intake and breakdown of compounds within cells, sweat and urine. |
bile salts -MW | liver breakdown of haemoglobin from urea and erythrocytes, faeces |
deamination | the removal of an amino group from a molecule. this requires enzymes locate in the liver, the amino group is converted to ammonia which is very toxic to cells so it must be immediately converted to urea in the liver. |