are bird lungs considered much more efficient that mammal

Last updated: 7/18/2023

are bird lungs considered much more efficient that mammal lungs bird lungs have large air sacs for gas exchange but mammal lungs only have small alveoli Obirds have shorter tracheas than mammals Oin bird lungs but not mammals air moves through in one direction only Obird lungs have more alveoli than mammal lungs Obird lungs can expand much more than mammal lungs Question 3 1 point Listen In mammals most gas exchange between the atmosphere and the pulmonary blood occurs in the