Nervous & Endocrine System
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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| 1. Stimulus | something that incites an action or reaction
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| 2. Dendrite | the branching part of the neuron that transmits impulses
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| 3. Axon | the part of the neuron that transmits impulses away from the cell body
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| 4. Synapse | area where nerve impulses are transmitted and received; between axon of one neuron & dendrites of next
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| 5. Neurotransmitter | chemical substance that transmits impulse across a synapse
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| 6. Central nervous system | the part of the nervous system made up of the brain & spinal column
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| 7. Peripheral nervous system | part of the nervous system outside of the brain & spinal column
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| 8. Cerebrum | the anterior & largest part of the brain which controls voluntary movement & coordinates mental actions
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| 9. Cerebellum | large part of brain that coordinates involuntary movements, posture & balance
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| 10. Medulla oblongata | lowest part of brain, continuous with spinal cord; controls heart & lungs
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| 11. Somatic nervous system | part of NS responsible for sensation & control of skeletal muscles
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| 12. Reflex | involuntary response to a stimulus; ex blinking, pulling hand away
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| 13. Autonomic reflex system | controls heart, blood vessels, smooth muscles, glands & their involuntary functions
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| 14. Sympathetic nervous system | Controls responses of body to stressful situations
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| 15. Parasympathetic nervous system | Controls the functions of the body associated with rest and digestion
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| 16. Gland | group of cells producing a secretion
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| 17. Endocrine glands | Secretions or hormones are secreted directly into the bloodstream
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| 18. Hypothalamus | located in brain and regulates pituitary gland
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| 19. Pituitary gland | master gland that influences other glands
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| 20. Target cell | cell selectively affected by a particular agent such as a virus, drug or hormone.
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| 21. Receptor | neurons specialized to be sensitive to sensory agents
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| 22. Negative feedback mechanism | Negative feedback is a reaction that causes a decrease in function because of some kind of stimulus
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| 23. Adrenal gland | Regulates the body's response to stress, metabolism, the immune system, and sexual function; located on top of kidneys
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| 24. Thyroid gland | Controls basal metabolism; As thyroid hormone levels increase, so does the speed at which chemical reactions occur in your body
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| 25. Parathyroid glands | Regulates calcium and phosphate levels in the blood; Necessary for blood clotting, nerve function, growth of bones and teeth
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| 26. Sensory neuron | receives the stimulus (heat, texture, odor, etc…)
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| 27. Motor neuron | responds to messages from the brain & spinal column
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Created by:
jgarrisi
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