Topic 4 Excretory System Flashcards

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1
Q
  • Type of waste removal
A

Excretory System

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2
Q
  • Maintenance of osmotic pressure of fluids by control of water and salt concentrations
A
  1. Osmoregulation
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3
Q
  • body is hypotonic to environment -> water is constantly lost by osmosis, so these fish are constantly drinking water, rarely urination, and secreting accumulated salts through gills
A

a. Marine Fish

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4
Q
  • Body is hypertonic to environment -> water moves in, so fish are rarely drinking water, constantly urinating, and absorbing salt through gills
A

b. Fresh Water Fish

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