Question

Yusuf was wondering why he could move his arm in all directions but could not move his
knee in all directions. Do you know why? (Hint: What are the various type of joints?)
niture study​

Answer 1

In our shoulders ball and socket joint is present which allows us to move our arms in all directions.

In our knees hinge joint is present which allows movement in one direction only.

Answer 2

Answer:

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Explanation:

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