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Home > Biology > Animal survival > Water and waste

Biology

Water and waste

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For your biology exam you should be able to

  • identify the ways in which a mammal gains and loses water
  • state that the kidneys are the main organ for regulating water content
  • explain the role of ADH in the regulation of water balance
  • identify the positions and state the functions of the following; kidneys, renal arteries, renal veins, ureter, bladder, nephron; glomerulus; Bowman's capsule; blood capillaries; collecting duct
  • state the essential functions of the kidney are filtration and reabsorption
  • explain the process of urine production using a simple diagram of a nephron to include labelling the main structures
  • state that urea is a waste product removed in urine, where urea originates from and how it is transported to the kidneys.
  • describe the relative benefits and limitations of replacement and "artificial" kidneys
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Kidney

Class Clips

Video clip on how the kidneys work.

Click here to see the anatomy and physiology of the kidneys.

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