IDNLearn.com provides a collaborative platform for sharing and gaining knowledge. Discover in-depth and reliable answers to all your questions from our knowledgeable community members who are always ready to assist.

Respiration in birds __________. A) is inefficient because air only moves in one direction B)is highly efficient and ensures that air moves in multiple directions C) is highly efficient and ensures that air only moves in one direction D) is inefficient because of how air first enters into the body

Sagot :

respiration in birds is inefficient because air only moves in one direction.