Tali + Parker
How it works
-When the actin and myosin contract in the muscles, the muscles shorten and the bones are pulled closer together.
-Muscles called flexors force your joints to bend
-Muscles called extensors cause your limbs to straighten
It's connections with other systems
-Smooth muscles that line to your digestive system
-Smooth muscles also surround your circulatory system
-Muscular system is close to the nervous system
-The neurons are connected to the cells in your muscles
What can go wrong?
-You can pull a muscle
-You can get a muscle cramp
-One of several muscular diseases in which a person's muscles gradually and irreversibly become worse, causing weakness and eventually complete disability