| A | B |
| connnective tissue | connects/supports/encloses tissues and organs in the body |
| tissue | a group of similar cells with a similar function |
| extensor | a skeletal muscle that extend the part away from the body |
| flexor | a skeletal muscle that brings a body part towards the body |
| strength | how hard a musle can work in one try |
| endurance | how long a muscle can do something before it gets tired |
| flexibility | the range of motion around a joint |
| what happens when a muscle gets stronger | cells get larger and more blood cells are formed |
| how are muscles controlled | nerves in the brain and chemical messages control muscles |
| r (rice) | rest- rest the part immediately |
| i (rice) | ice- apply ice to the area (shrinks the blood vessels) |
| c (rice) | compression- apply pressure to the area (decreases swelling) |
| e (rice) | elevation- bring body part above heart (drains part) |
| sprain | tear in ligaments that hold a joint together |
| strain | torn muscle cells |
| how does a muscle work | energy from food and oxygen- brokendown into heat- heat co2 and energy |