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Health Mr.Land
questions and answers.
| Question | Answer |
|---|---|
| Body system made up of bones, joints, & connective tissue. | Skeletal System |
| Group of structures that gives your body parts the power to move | Muscular System |
| Group of organs that move essential supplies to body cells and remove their waste products. | circulatory system |
| system that consists of organs that supply the body with constant oxygen and rid the body of carbon dioxide | respiratory system |
| the body's message and control center | nervous system |
| 3 functions of the skeletal system | movement supports and protects internal organs |
| How many bones are in the human skeleton? | 206 |
| Joint that allows movement in only one direction. | hinge joint |
| Joint that allows movement w/ limited rotation. | pivot joint |
| joint that allows bones to slide over one another w/o twisting | glidiing joints |
| joint that allows bones to move in all directions | ball & socket joints |
| a break in the bone caused by injury | fracture |
| bone pushed out of a joint | dislocation |
| ligaments in a joint are stretched or twisted causes swelling | sprain |
| happens over time make up 1/2 of teens sport injury, common in runners & aggressive walkers | overuse injury |
| disorder in which spine curves towards one side of the body | scoliosis |
| condition characterized by brittle & porus bones from lack of calcium, certain hormones, & vitamin D | osteoporosis |
| 4 primary functions of the muscular system | movement, pump blood, move food through digestive system, control movement in and out of lungs. |
| 3 types of muscles | skeletal, smooth, cardiac |
| skelatal, smooth, cardiac | voluntary, involuntary, involuntary |
| true or false there are over 600 skeletal muscles in the human body | true |
| contraction | shortening of muscle |
| extension | making a muscle bigger |
| muscle tone | natural tension of muscle |
| main part of circulatory system | heart |
| 3 main functions of blood | carry nutrients, carry oxygen, carry waste away |
| cardiovascular system disorder characterized by: | high blood pressure / hypertension |
| blood flow to heart is blocked | heart attack |
| when the arteries harden | arteriosclorosis |
| circulatory system is same as cardiovascular system | true |
| arteries | carry blood away from the heart |
| veins | carry blood to the heart |
| asthma | causes tiny air passages in respiratory system to become narrow |
| bodies need oxygen to survive | true |
| somatic system | actions you control |
| autonomic system | happens automatically |
| brain & spine | 2 main components of nervous system |