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what are the characteristics of respiratory surface ?

Characteristics of respiratory surface:

  • Walls are thin.
  • Inner surface is moist.
  • Tissues are filled with blood vessels.
  • Exposed to air

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The characteristics of respiratory organs is that:

1) They have a large surface area so exchange of gases of take place easily.

2) They have a smooth surface.

3) The surfaces are fine and delicate.

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