Muscular system
The human body has more than 650 individual muscles which are attached to the skeleton, which makes the pulling power for us to move around the earth. The main job of the muscular system is that you can get up in the morning and do what you do every day. The muscular system consists of three different types of muscle tissues. Skeletal, cardiac, smooth. Each of these different tissues has the ability to move apart, which then lets the body have movements and functions. There are two types of muscles in the system and they are the involuntary muscles, and the voluntary muscles. The muscle is control by ourselves is called the voluntary muscles and the ones we can control are the involuntary muscles. The heart, or the cardiac muscle, is an example of involuntary muscle
Fun Facts:
- The hardest working muscle in your body is in your eye
- It takes 17 muscles to smile and 42 muscles to frown
- The biggest muscle in your body is your Gluteus Maximus (your bottom)
- Muscles are responsible for about 40% of your body weight
How do muscles move?
Muscles move by the cells in them. They contract and then go back to the normal size. There are two different types of muscle movement, Voluntary and In -Voluntary. Voluntary is when you have to think about moving like talking, chewing food, and clapp