| A | B |
| Skeletal system | The body system that contains all the bones. |
| Ligaments | Connects bone to bone. |
| Tendons | Connects muscle to bone. |
| Cartilage | Tough, supportive tissue similar to bone but softer and more flexible. |
| Bones | Give shape to the body. |
| Flat bones | Ribs, shoulder blades. |
| Irregular bones | Vertebrae, tiny ear bones. |
| Synovial fluid | The secretions that flow over bones at the joint to prevent wear on bones. |
| Joints | The point at which two bones come together. |
| Axial skeleton | The skull, vertebral column, ribs, sternum. |
| Appendicular skeleton | Bones on the arms, legs, shoulder, and hips. |
| Hinge joint | Moves back and forth. |
| Ball and socket joint | Allows movement in all directions. |
| Pivot joint | Allows some bones to move side to side and up and down (neck). |
| Gliding joint | Allows bones to slide over one another. |
| Marrow | A soft tissue that produces blood cells. |
| Periosteum | A tough, membrane covering a bone and containing cells that produce new bone for growth and repair. |
| Spongy bone | Porus, contains blood vessels, lymph vessels, nerves. |
| Muscular system | Povides movement, strength, and makes it possible to produce heat. |
| Skeletal muscle | Voluntary, moves the body. |
| Smooth muscle | Involuntary muscle found in your organs, stomach esophagus. |
| Cardiac muscle | Automatic (Found only in the walls of your heart. |
| Concentric movement | The muscle shortens. |
| Fracture | A break in the bone. |
| Sprain | Complete or partial tearing of a ligament. |
| Strain | A complete or partial tearing of a muscle. |
| Anatomy | Deals with the structure. |
| Physiology | Deals with the function. |
| Saggital plane | Seperates the body into right and left. |
| Coronal Plane | Seperates the body into front and back. |
| Transverse Plane | Divides the body into upper and lower portions. |
| Adduction | Movement toward the body. |
| Abduction | Movement away from the body. |
| Anterior | Front of the body. |
| Posterior | Back of the body. |