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