3rd Class Science Our Body Muscular System

Muscular System

Category : 3rd Class

*   Muscular System

 

Muscles constitute more than half of the body. Muscles are attached to the bones and help in providing movements of the body. All the muscles together form the muscular system of the body. We show happiness, sadness, anger etc., on our face with the help of muscles. Legs and arms muscles get shorten and lengthen to bring movements.

 

*       Muscular Problems

Muscle cramp develops during hard exercise which is very painful. Break in muscle is called muscle fracture.

 

How to Keep Muscular System Fit:

Using and exercising of muscles makes it fit and healthy.

Bending and stretching of muscles keep it active and healthy

Walking or cycling is good for muscles.

 

 

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     Muscular system is made up of:

(a) Muscles

(b) Bones

(c) Cartilages

(d) Joints

(e) All of these

 

Answer: (a)

Explanation

Muscular system is made up of muscles. Therefore, option (a) is correct and rest of the options is incorrect.

 

 

      Which one of the following activities is done by muscles?

(a) Walking

(b) Swimming

(c) Running

(d) Jumping

(f} All of these

 

Answer: (e)

Explanation

Muscles support the body movement. Therefore, option (e) is correct and rest of the options is incorrect.

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