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Home Q & A Board Biology-Related Homework Help General Biology
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Lost4ever Lost4ever
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6 years ago
Spiracles are located
  a. at the insect body surface.
  b. all along the tracheal system.
  c. at the tissue end of a tracheal tube.
  d. at the cells in contact with the tracheal tubes.
  e. at the branch points along the tracheal system.

Question 2

Which of the following is true regarding insect
  tracheal systems?
  a. They are associated with the blood circulatory
  system.
  b. They excrete body wastes as well as transport
  gases.
  c. They have water-conserving adaptations in large
  terrestrial insects.
  d. The tracheal tubes are continually open in large
  terrestrial insects.
  e. They contain respiratory pigments to enhance
  oxygen transport.
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anu30anu30
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6 years ago
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Lost4ever Author
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#2
6 years ago
Love when things are free, so much better than CourseHero
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#3
6 years ago
tell your friends and feel free to ask more questions
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