Muscular System Facts
- You have over 30 facial muscles which create looks like surprise, happiness, sadness, and frowning.
- Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day!
- The largest muscle in the body is the gluteus maximus muscle in the buttocks.
- You have 3 different types of muscles: skeletal, smooth, and cardiac.