| A | B |
|---|
| skeletal system | body system made up of 206 bones and the attached connective tissues |
| cartilage | a strong, flexible connective tissue |
| ossification | the process by which bone is formed, renewed, and repaired |
| ligament | a band of connective tissue that attaches one bone to another |
| tendon | a fibrous cord that attaches muscle to the bone |
| joints | points at which bone meet |
| scoliosis | a lateral or side-to-side curvature of the spine |
| fracture | any type of break in a bone |
| osteoporosis | the gradual loss of bone tissue |
| muscular system | body system made up of muscle fibers that work together to produce movement, maintain posture, and generate heat |
| smooth muscles | involuntary muscles that act on the lining of the body's passageways and hollow internal organs |
| skeletal muscles | Mostly voluntary muscles attached to bone that cause body movements |
| cardiac muscles | Striated muscles that form the wall of the heart |
| tendonitis | the inflammation of a tendon |
| hernia | occurs when an organ or tissue protrudes through the area of weak muscle |
| central nervous system | the brain and the spinal cord |
| peripheral nervous system | the nerves that extend from the brain, spinal cord, and sensory receptors |
| neurons | nerve cells that transmit messages to and from the spinal cord and brain |
| cerebrum | the largest, most complex part of the brain; the center of conscious thought, learning, and memory |
| cerebellum | the second largest part of the brain; controls the movement of skeletal muscles |
| brain stem | three-inch long stalk of nerve cells and fibers which connects the spinal cord to the rest of the brain |
| autonomic nervous system | controls involuntary functions such as digestion and heart rate |
| somatic nervous system | involves responses that are under your control such as messages from receptors in the eyes, nose, tongue, and skin |
| epilepsy | a disorder of the nervous system characterized by seizures |
| cerebral palsy | a group of disorders that are the result of damage to the brain before, during, or just after birth |
