Question

how do birds fly and we can't?​

Answer 1

Hi here is your answer

They can because their body shape was designed in that model with wings and they are not but weight.

They have boat shaped body

Hope it help you

We humans doesn't have wings and boat shape little weight body

Please mark me please

Answer 2

Answer:

the birds can fly because their body is well suited for flying

Explanation:

there bones are hollow and light.the bones of the hind  limbs are typical for walking and perching. the bony part of the forelimbs are modified as wings.the shoulder bones are strong.the breast bone is modified to hold muscles  of flight which are used to move the wings up and down.

hope it helps

MARK ME AS BRAINIEST