gills

     

A gill is an anatomical structure foun in many aquatic organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide. The microscopic structure of a gill is such that it presents a very large surface area to the external environment.

Trivia about gills

  • These respiratory organs of aquatic animals occur in oysters & some insect larvae as well as in fish
  • Lungfish breathe by means of primitive lungs, as well as these respiratory organs
  • (Please consider the following.) A fish extracts oxygen from the water with these organs
  • Organs found behind the head in certain aquatic animals & specialized for oxygen exchange
  • In these organs in most fish, water flows the opposite direction to the blood, increasing oxygen transfer
  • Almost all sharks have 5 of these "slits"; & some don't have to swim constantly to pump water over them
  • The slits right behind a shark's head are simply these
  • Cousteau was fascinated by future human life underwater, breathing through these organs
  • 4 of these units, abbreviated gi. are equivalent to 1 pint
  • (Sarah of the Clue Crew holds a magnifying glass to the underside of a large mushroom in the Jeopardy! lab.) Like fish, mushrooms have these, but in the mushroom they're where the spores are produced
  • The finlike structures on the underside of mushroom caps are called these
  • After a night of drinking with Tintin, Captain Haddock was looking a bit green around these

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