Lesson 2
by Rey Skywalker
1. The Skeletal System
1.1. The purposes of skeletons
1.1.1. Gives the body support
1.1.2. Allows the body to move
1.1.3. Protects the major organs
1.1.4. Produce red blood cells
1.2. Types of joints
1.2.1. Immovable joint-Cranium
1.2.2. Slightly movable joint-Spinal cord
1.2.3. Hinge joint-Fingers
1.2.4. Ball and socket joint-Legs