Question

Answer the following questions :
1. How is our skeleton useful to us?
2. What is a joint?
3. Name the different kinds of movable joints in our body.
4. What is the difference between voluntary and involuntary muscles?​

Answer 1

Answer:

1.Our skeleton gives our body shape n helps to keep us upright.

2.A joint is a place in our body where two bones meet.

3.Movable joints are ball n socket,saddle,hinge,condyloid,pivot n gliding joints.

4.Voluntary muscles are the muscles which work according our might. But involuntary muscles are the muscles which do not work according to our might.

Examples:

Voluntary muscles: Raising hands,eating,writing

Involuntary muscles:Beatingof heartbeat, blinking of eyes,etc.

Explanation:

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