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State the role of the kidneys:

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Describe where urea comes from in the body:

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You should know this from L2...
Define diffusion, osmosis and active transport and state why osmosis is important with relation to the kidney:

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In relation to red blood cells explain why the body must maintain a stable osmotic balance:

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Annotate this diagram of a nephron to show the steps taken to balance the blood - add a new text box for the following labels; glomerulus, bowmans capsule, renal tubule, blood capillaries and collecting duct

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Annotate this simple cross-section of a kidney (label parts and describe function) - add a text box for each annotation

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Annotate this diagram with information about the kidney, blood supply, bladder and ureter - add a text box for each annotation