MUSCULAR SYSTEM

Functions of the muscular system

The muscular system is responsible for the movement of the human body.
The muscular system also moves substances around the body.
The muscular system also helps to maintain your posture.

How It Works Together With Other systems

- it works with the skeletal system to provide skeletal movement
- it works with the digestive system to control entrances and exits of digestive tract
- it works with the endocrine system to produce heat
- it works with the nervous system to sense things
- it works with the respiratory system to allow the diaphragm to expand
- it works with the cardiovascular system to provide circulation

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FUN FACTS

• The human body contains more than 650 individual muscles.
• It takes 17 facial muscles to smile while 42 facial muscles are used up when you frown.
• The busiest muscles in your body are the eye muscles, which approximately move more than 100,000 times in a day.
• Masseters or chewing muscles are the strongest muscles in the body.
• About 40% of your body weight is accounted for by muscles.