1. Chapter 12
Muscular System

2. Structure and Movement (cont.)
The muscular system is made of three different types of muscle tissue.
Skeletal muscle works with the skeletal system and helps you move.
Deltoid muscles are what help you to move your shoulders.
When you make a muscle like this, you are flexing your biceps

3. Structure and Movement (cont.)
Cardiac muscle is only in the heart.
It continually contracts and relaxes and moves blood throughout your body.

4. Structure and Movement (cont.)
Smooth muscle tissue is in organs such as the stomach and the bladder.
Blood vessels also have smooth muscle tissue.

5. Structure and Movement (cont.)
Bones and muscles are connected with tendons
Muscles work with your bones to give your body strength and the ability to move
Interestingly, some of your biggest and most powerful muscles are located in your back near your spine!!!