Question

How can birds fly? give reason​

Answer 1

A bird can fly because of its wings, due the less body weight, the wind which present in both sides of the birds help the birds in flying

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Answer 2

Answer:

Birds can fly because they have hollow bones and a very light body . They have powerful muscles , which allow them to flap their wings quickly to fly . The heart of a bird can beat upto 800 times in a minute , to supply enough blood to the muscles , to power their flight .