What Adaptations Are Observed in Trachea and Lungs to Reduce

Multiple Choice

What adaptations are observed in trachea and lungs to reduce water loss?

A) A countercurrent exchange system reduces water loss in animals with either trachea or lungs.
B) The location of the trachea and lungs (inside of the body) reduces water loss.
C) Trachea and lungs secrete specialized oxygen-carrying chemicals to reduce water loss.
D) Limbs are used by animals with trachea or lungs to move water over these structures.