Question

what makes the body of birds light?​

Answer 1

The feathers.

I hope it will help you.

Plz mark me as the brainliest.

Answer 2

Birds bone are hollow and contain some thin air sacs and some thin tiny cross pieces to make their bone stronger.

Hence we know law of force

$f \alpha \frac{1}{w}$

force will increase and weight will reduce.

so their bodies feel light