Multiple choice

Which of the following makes the body of a bird, best suited for flying?

  1. Two pairs of wings attached to the breast

  2. Muscles that help shorten and extend the body

  3. Under surface lubricated with mucus

  4. Long backbone and interconnected muscles

  5. Light and hollow bones
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is correct. A bird has a body best suited for flying. Birds can fly easily with the help of their bony forelimbs. Birds have light and hollow bones and strong shoulder bones.

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