Question

Birds need to keep their body light to help in flying
Hence, they show presence of some organs only on one
side. How their skeleton helps in reducing their weight?​

Answer 1

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Birds belonging to Class Aves, are meant for aerial mode of life. They have modified their body to suit the aerial mode various modifications in the body have made this possible. eg. - presence of only one ovary in females on one side. The skeleton in birds particularly is responsible for makin flight easy in case of birds. Bones being hollow and pneumatic make their body weight lighter and hence can fly easily.

Answer 2

Answer:

They have long hollow bones called pneumatic bones with air cavities.so their body is light weight and easily the birds can fly.

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