| A | B |
|---|
| axial skeleton | skull, spine, ribs, vertebrae and sternum |
| appendicular skeleton | bones of upper and lower limbs, shoulders and hips |
| long bones | femur |
| short bone | wrist |
| flat bone | scapula |
| irregular bone | vertabrae |
| cartilage | cushions between bones |
| ossification | process by which bone is formed, renewed and repaired |
| ball and socket joint | hip or shoulder |
| hinge joints | elbow, neww, ankle |
| ligament | attaches bone to bone |
| tendon | attaches muscle to bone |
| hairline fracture | incomplete fracture |
| transverse fracture | fracture that is completely across the bone |
| comminuted fracture | bone is shattered |
| osteoporosis | a condition in which progressive loss of bone tissue occurs |
| scoliosis | a lateral, or side-to-side, curvature of the spine |
| repetitive motion injury | damage to tissues caused by prolonged, repeated movements |
| smooth muscle | the lining of passageways and internal organs such as blood vessels, intestines |
| skeletal muscles | attached to bone and cause body movements |
| flexor | the muscle that closes a joint |
| extensor | the muscle that opens a joint |
| cardiac muscle | a tpe of striated muscle that forms the wall of the heart |
| muscle tone | the natural tension in the fibers of a muscle |
| tendonitis | the inflammation of a tendon |
| hernia | when an organ or tissue protrudes through an area of weak muscle |
| neurons | nerve cells |
| cell body | contains the nucleus, or the control center |
| dendrites | branched structures that extend from the cell body in most neurons. Receive and transmit sensory impulses |
| axons | transmit impulses away from the cell body and toward another euron, muscle cell or gland. |
| cerebrum | the largest and most complex part of the brain center for conscious thought, learning and memory |
| cerebellum | the second largest part of the brain, coordinates movement and balance |
| brain stem | a three-inch stalk of nerve cells and fibers that connects the spinal cord to the rest of the brain. |
| peripheral nervous system | all the nerves that are not part of the central nervous system |
| central nervous system | spinal cord and brain |
| Epilepsy | a disorder of the nervous system causing seizures |
| cerebral palsy | neurological disoder that result in damage to the frain before, during or just after birth or in early childhood. |
