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5 Written questions

5 Matching questions

  1. haemoglobin
  2. alveoli
  3. gill arch
  4. bronchiloes
  5. ventilation
  1. a tiny sacs of lung tissue specialized for the movement of gases between air and blood
  2. b a protein containing iron, found in red blood cells, which carries oxygen
  3. c in fish, the skeletal-supporting structure of a gill
  4. d small tubes that branch to form alveoli
  5. e the bodily process of inhalation and exhalation

5 Multiple choice questions

  1. Makes up the exoskeleton of arthropods
  2. the metabolic processes whereby certain organisms obtain energy from organic moelcules
  3. two short branches located at the lower end of the trachea that carry air into the lungs.
  4. where gas exchange occurs, with countercurrent flow between blood and water
  5. Tubes that bring gases in from the outside, in a series on each side of the body of an insect

5 True/False questions

  1. tracheolesIn insects, narrow tubes branching from trachea and making direct contact with cells to facilitate gas exchange.


  2. gas exchangeallowing (especially liquids) to pass or diffuse through


  3. lungeither of two saclike respiratory organs in the chest of vertebrates


  4. permeableallowing (especially liquids) to pass or diffuse through


  5. spiraclesbreathing tubes of insects located on abdomen


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