formation of urine 3 marks question
brand786:
there are three steps involve 1 )filtration 2)ultrafiltration 3)reabsorption
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Function: Urine Formation and Excretion. Urine is composed of unwanted substances that have been filtered from the blood by nephrons, the functional units of the kidneys. Theurine formed in the kidneys passes through the ureters and is temporarily stored in the bladder.
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blood passes through the kidney it left the nitrogenous waste and chemical substance
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