Question

we can easily twist our ear pinna. (GIVE REASON)

Answer 1

bvz bone of ears are very flexible which make easy to twist our ear pinna

Answer 2

We can easily twist our ear pinna because,

The bones in our ear pinna i.e. middle ears are very fexible. They are narrow filled and temporal bones.

Hence it allows us to twist our ear pinna easily while we can't twist our other bones like them.