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 |