Question

Determine the importance of fins of fish in swimming. Which type of bones joint can be seen in knee and Shoulder?

Answer 1

For fishes fins is important because they need to use it for For swimming The joint of knee and shoulder is. Ball and socket joint it is called as ball and socket joint because the shoulder bone shape is little ball and the socket hand bone is like a socket which fixes the both

Answer 2

Fins of fish help them in swimming --

It helps them in locomotion (moving forward and backward).

It helps them to roaming, turning and doing different motions on water.

It can also help to defense them..

Bone in knee of human body -- it is made up of the femur, tibiaand Patella.

Bone in shoulder-- it is made up of Scapula, clavicle and humerus .

We can see ball and socket join in knee and shoulder.

Hope it will help u...