What is the function of hollow bones in birds?
The air sacs stay attached to these hollows for a bird’s life. This, along with a forward-and-backward arrangement of air sacs, helps give birds a little-known superpower: They can take in oxygen while both inhaling and exhaling. (We’d love to see them play the saxophone).
Why do birds have hollow bones biology?
Birds have special structures associated with the lungs, called air sacs. Some of the hollow bones have these air sacs extended into it. To put it in the simplest way possible, these air sacs help in respiration by allowing the birds to take in oxygen while inhaling or exhaling