Question

In which class of vertebrates pneumatic bone is present?

Answer 1

Answer:

Pneumatic bones are found in class Animalia of vertebrates.

Explanation:

Pneumatic bones are mostly seen in birds.

These pneumatic bones include skull bones, humerus bones and shoulder and gridle bones.

These bones have air spaces present in them and they are more lighter than the other solid bones.

Sphenoid bone is the best example for Pneumatic bone.

Answer 2

In birds class of vertebrates pneumatic bone is present.

Explanation:  

• Pneumatic bones are those bones which contains sufficient amount of air spaces inside the bone which decreases the mass of the bone. Birds are meant to fly.  

• As a result they need less amount of weight of the body to overcome the gravitational force of the earth.

• Due to this, the bones present in birth are pneumatic. This makes the birds light and help them to fly and glide in the air with the help of their wings.

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