Osmoregulation

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Osmoregulation

• Usually occurs by moving solutes (because water
  will move by osmosis)
• Two categories of osmoregulation
• Osmoconformers same solute concentration in body
  fluids as surroundings
• Osmoregulators body fluid solute concentration
  is different than surroundings

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Freshwater Animals
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Saltwater Animals
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Land Animals
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Excretion
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Liver Functions

• Break down amino acids
• Prepare nitrogenous wastes for disposal
• Make toxins non-toxic
• Synthesize bile
• Produce proteins for blood clotting
• Produce proteins responsible for osmotic
  regulation
• Regulate blood glucos levels

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Liver
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Excretory System
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The Kidney
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The Nephron
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The Nephron (cont)