understand how the kidneys carries out its role of excretion and of osmoregulation
(nitrogen --- urea)
amino acids in excess have to be removed as they are toxic
the liver converts the excess amino acids into urea which re-enters bloodstream
the urea enters both kidneys, which filter it and add it so it is urea+water (urine( and then go down a common pipe to collect in the bladder.
(nitrogen --- urea)
amino acids in excess have to be removed as they are toxic
the liver converts the excess amino acids into urea which re-enters bloodstream
the urea enters both kidneys, which filter it and add it so it is urea+water (urine( and then go down a common pipe to collect in the bladder.
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