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Kennedy KP Ch 22
Skeletal, Muscular, Integumentary System Review
| Term | Definition |
|---|---|
| skeletal system | collection of organs that work together to support & protect the body |
| jobs of bones | protection, storage, movement, blood cell formation |
| parts of bone | compact bone, spongy bone, red marrow, yellow marrow, cartilage, blood vessels |
| compact bone | outside shell of bone |
| spongy bone | inside layer of bone with many open spaces; provides support and strength |
| red marrow | creates red blood cells |
| yellow marrow | stores fat |
| cartilage | soft and flexible connective tissue; cushions joints |
| joint | place where two bones meet |
| sliding joint | bones glide over one another (hand) |
| ball and socket joint | bone moves freely in all directions (shoulder/hip) |
| hinge joint | bone moves in two directions line a door (knee, elbow) |
| ligaments | holds two or more bones together |
| tendons | connects muscle to bone |
| muscular system | collection of organs that work together to move parts of your body |
| smooth muscle | found in digestive tract and blood vessels, involuntary |
| cardiac muscle | found in the heart, involuntary |
| skeletal muscle | moves bones, voluntary |
| voluntary movement | muscle action you can control |
| involuntary movement | muscle action that you cannot control |
| flexor | muscle that works to bend part of the body |
| extensor | muscle that works to straighten part of the body |
| resistance exercise | develops the size and strength of skeletal muscles |
| aerobic exercise | increases endurance of skeletal muscle and strengthens heart |
| integumentary system | a collection of organs that work together to help your body maintain a healthy internal environment (hair, skin, nails) |
| function of skin | protection, sense of touch, temperature regulation, removes waste |
| melanin | darkening chemical in skin |
| epidermis | upper layer of skin |
| dermis | lower thicker layer of skin containing blood vessels, nerves, muscle, hair follicles, oil glands, sweat glands |
| hair | protects skin from the sun and nose and eyes from dust and dirt |
Created by:
akennedy76
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