OCR GCSE Biology A · J247
Specification B3.3g · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Function of kidneysThe kidneys are the organs chiefly responsible for controlling how much water leaves the body in urine.
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GCSE Biology · key term
Organs that filter the blood and regulate water loss by varying how much water is returned to the blood and how much leaves in urine.
Used by OCR
Specification B3.3g · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Function of kidneysThe kidneys are the organs chiefly responsible for controlling how much water leaves the body in urine.
Do not confuse the kidneys with the bladder: kidneys produce urine and regulate water loss; the bladder only stores urine.
Avoid saying that the kidneys simply remove all water from the blood. They return a variable amount of filtered water to the blood.
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