Health Chapter 16: lessons 1-4
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40 terms
Terms | Definitions |
|---|---|
 Skeletal System | a body system made up of bones, joints and connective tissue |
| Marrow | a soft tissue in the center of some bones |
| Joint | The point at which two bones meet |
| Hinge joint | A type of joint that allows movement in one direction |
| Gliding Joint | A type of joint that allows bones to slide over eachother |
| Pivot Joint | A type of joint that allows movement with limited rotation |
| Ball and Socket joint | A type of joint that allows complete rotation in all directions |
| Cartilage | a strong flexible, gel like tissue that cushions you joints |
| Tendons | tough bands of tissue that attch you muscles to bones |
| Ligaments | Cord-like tissues that connect the bones in each joint |
| Fracture | a break in a bone caused by an injury |
| Dislocation | occurs when a bone is pushed out of its joint |
| Sprain | stretching or twisting of ligments in a joint |
| Overuse Injuries | happen over time, used too much. EX: Shin splint |
| Scoliosis | a disorder where the spine curves to one side in a S or C shape |
| Osteoporosis | a condition characterized by brittle bones |
| Muscular systen | the group of structures that give your body parts the power to move |
| Skeletal muscles | The muscles attached to bones that enable you to move |
| Smooth muscles | The muscles found in organs, blood vessles and glands |
| Cardiac muscles | the muscles found only in the walls of you heart |
| Circulatory System | A group of organs and tissues that move essential supplies to body cells and remove thier waste products |
| Cell respiration | The process in whihc the body's cells are nourished and energized |
| Arteries | blood vessels that carry blood away from the heart to other parts of the body |
| Veins | Blood vessles that carry blood from the body back to the heart |
| Capillaries | tiny blood vessels that connect the veins and arteries to the body's cells |
| Hypertension | high blood pressure |
| Heart attack | blockage of blood flow to the heart |
| Stroke | results from blood clots that block vessles to the brain |
| Arteriosclerosis | A condition where arteries harden |
| Anemia | abnormally low level of hemoglobin |
| Leukemia | a type of cancer in which large amounts of abnormal cells are produced |
| Respitory System | A system that consists of organs that supply the body with constant oxygen and rid the body of carbon dioxcide |
| Respiration | the exchange of gases between your body and the air |
| External Respiration | the exchange of oxygen and carbon dioxide between the blood and the air in the lungs |
| Internal Respiraiton | The exchange of gases between the blood and the cells of the body |
| Bronchi | The main openings throgh which air enters the lungs |
| Alveoli | tiny air sacs in the lungs where carbon dioxisw ia exchanged with oxygen |
| diaphragm | dome shaped muscle that separates the chest from the abdomen |
| Asthma | a serious chronic condition that causes tiny air passages in the respiratory system to become narrow |
| Air Quality Index | measure of ozone, sulfer, carbon minoxide, and fine particles close to the ground |
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