Question

How
does
excretion
occur in human being?​

Answer 1

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Humans have two kidneys and each kidney is supplied with blood from the renal artery. The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine. ... The filtrated blood iscarried away from the kidneys by the renal vein (or kidney vein).

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Answer 2

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secretion is the process of removal of toxic waste from our body of an organism the measure waste produced by a human are carbon dioxide and urea. carbon dioxide is produced produced by the process of respiration and urea is produced by the decomposition of unused protein in the liver .