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 Distinguish between following 
(c)Immovable joints and Movable 


Immovable Joints

Movable Joints

These are immovable joints and called surtures.

These are freely movable joints.

Bones are held together by dense fixed joints.

Bones are not fused with bands of fibres.

Has no fluid. Pubic symphysis, between canial bones.

Has synovial fluid in synovial cavity. e.g. Shoulder and hip joint.

 
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How does calcium affect the process of muscle contraction ?

How do the joints help in movement? Explain.


 Distinguish between following
 Tendons and ligament

Give one difference between 
Muscle twitch and tetany

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