Presentation on theme: "Muscular System. Muscle and Bone Movement Muscular System There 630 active muscles in your body. Muscles are bundles of cells and fibers. Muscles tighten."— Presentation transcript:
Muscle and Bone Movement
Muscular System There 630 active muscles in your body. Muscles are bundles of cells and fibers. Muscles tighten up, and then they relax.
Muscles Relax and contract to move bones Your muscles are all over your body
3 Types of Muscle:
1. Smooth Muscle cause your pupils to contract in the sunlight, visceral organs to contract. Is an Involuntary Muscle (moves without thought). Unstraited Smoot h muscle fiber Nucleu s
Smooth Muscle One type of tissue, smooth muscle, is found in the walls of your internal organs and blood vessels
Smooth Muscle The most common function of smooth muscle is to squeeze, exerting pressure on the space inside the tube or organ it surrounds in order to move material through it. Large and Small Intestine