Only ______ have a lung designed so that air can flow through them in one direction.

Question

Quizplus · Accepted Answer

Birds have a unique respiratory system with air flowing in one direction through their lungs, which allows for more efficient oxygen uptake compared to the human respiratory system. Although some fish have a similar respiratory system, it is not as common as it is in birds. Amphibians, mammals, and insects have lungs with different designs that do not allow for unidirectional airflow.

Only ______ Have a Lung Designed So That Air Can