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5 Written questions

5 Matching questions

  1. permeable
  2. gill arch
  3. bronchiloes
  4. haemoglobin
  5. diffusion
  1. a a protein containing iron, found in red blood cells, which carries oxygen
  2. b process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated
  3. c in fish, the skeletal-supporting structure of a gill
  4. d small tubes that branch to form alveoli
  5. e allowing (especially liquids) to pass or diffuse through

5 Multiple choice questions

  1. fingerlike projection from a gill where respiratory gases enter and leave the blood
  2. tiny sacs of lung tissue specialized for the movement of gases between air and blood
  3. respiratory organ of aquatic animals that breathe oxygen dissolved in water
  4. two short branches located at the lower end of the trachea that carry air into the lungs.
  5. membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi

5 True/False questions

  1. lungrespiratory organ of aquatic animals that breathe oxygen dissolved in water


  2. chitinMakes up the exoskeleton of arthropods


  3. gill lamellaewhere gas exchange occurs, with countercurrent flow between blood and water


  4. respirationthe bodily process of inhalation and exhalation


  5. tracheal tubesIn insects, narrow tubes branching from trachea and making direct contact with cells to facilitate gas exchange.