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33 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Connective tissue |
Connects body parts together |
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Epithedial tissue |
Covering or lining of body parts |
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Muscle tissue |
Allow you to move |
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Nervous tissue |
Stimulates muscle tissue |
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Homostasis |
Maintaining a "steady-state" internal environment |
98.6F° |
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Positive feedback |
Stimulus -> response -> stimulus increases or gets stronger |
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Negative feedback |
Stimulus -> responses -> stimulus becomes weaker or just stops |
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Systems of the body |
Respiratory, reproduction, circulatory /cardio vascular, nervous, endocrine, digestive, immune, skeletal, muscular, intergumantery, excretory |
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Intergumentary system |
Epidermis, dermis, hypodermis |
3 layers |
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Function |
Protection from UV light, germs, and diseases --holds organs in |
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Maintains homeostasis |
Sweat to cool you down --insulation to trap heat |
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Epidermis |
Contains keratin: protein found in hair and nails Melanin: protein produced by melanocytes to give skin color |
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Dermis |
Arrector pili muscle good bumps nerve endings blood vessels hair |
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Sebaceous glands |
Oil for skin to be flexible |
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Hypodermis |
Layer of fat tissue insulation |
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Muscle system |
Skeletal muscle, smooth muscle, cardiac muscle |
3 components |
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Function of muscle |
Movement, protection |
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Maintain homeostasis |
Muscle contraction, contraction causes infection |
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Skeletal muscle |
Attached to bones contains protein called actin and myosin |
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Smooth muscle |
Surrounding internal organs like stomach, doesn't fatigue |
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Cardiac muscle |
Heart, involuntary doesn't fatigue |
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Nervous system |
Central nervous system peripheral n.s. |
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Function |
Conduct electrical impulses to the body based on changes to your environment |
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Maintain homostasis |
Electricity generates heat neuron |
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Parts of neuron |
Axon, dendrite, cell body, myelin sheath |
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Axon |
Carry impulse away from cell body |
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Dendrite |
Carries impulses toward cell body |
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Myelin sheath |
Insulating covering that makes impulses go faster |
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Sensory neuron |
Pick up stimulus from environment carries impulsive e to your CNS (brain & spinal cord) |
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Interneuron |
In CNS and it transfers impulses from sensory to motor neurons |
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Motor neurons |
Carries the impulse to a target for a response |
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Synapse |
Tiny space where impulses travel from one neuron to the next neuron |
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Neuro transmitters |
Chemical that is released by neuron to continue the impulse between |
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