Question

What is the importance of pneumatic bones and air sacs in aves?

Answer 1

These are as light weight so help in aviation of aves
Air sacs gives constnt supply of oxygenated air

Answer 2

$\large\bf\underline\red{Answer}$

Pneumatic bones are hollow filled with air which helps them in flying. Air sacs are their air reservoirs . They also regulate body temperature and act as cooling devices.

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