| A | B |
|---|
| The sense organs and the structures that control the body are located in its anterior part | Cephalization |
| The framework for the body | Skeleton |
| A support system consisting od a compartment filled with fluid under pressure | Hydrostatic Skeleton |
| A hard covering on the outside of the body that provides both support and protection | Exoskeleton |
| An internal hard skeleton | Endoskeleton |
| The skull, vertebral column, and rib cage make up | Axial Skeleton |
| The arm and leg bones, with the bones of the pelvis and shoulder areas | Appendicular Skeleton |
| A soft tissue that fills some spaces | Marrow |
| Make new bone cells needed for growth and repair | Osteoblasts |
| The places where bones meet in the body | Joints |
| Connective tissues that attach muscles to bones | Tendons |
| Connective tissues that join one bone to another1 | Ligaments |
| A disease that causes joints to become inflamed and painful | Arthritis |
| A disease that causes brittle bones that breat easily | Osteoporosis |
| Type of muscle that enables you to move your arms, your legs and other parts of your body | Skeletal Muscles |
| Muscle that is only found in the heart | Cardiac Muscle |
| Covers your body and consists of the skin and its glands, hair and nails | Integumentary System |
| The skins outer layer | Epidermis |
| The thick inner layer of skin | Dermis |
| The pigment that gives skin its color | Melanin |
