An undersupply of serotonin is most closely linked to A) Alzheimer\'s disease. B

Question

An undersupply of serotonin is most closely linked to A) Alzheimer's disease. B) C) Parkinson's disease. D) depression You feel the pain of a sprained ankle when _______ relay(s) messages from your ankle to your central nervous system A) the myelin sheath B) C) motor neurons D) sensory neurons The central nervous system consists of A) sensory and motor neurons B) somatic and autonomic systems. C) the brain and the spinal cord. D) sympathetic and parasympathetic branches. The two divisions of the peripheral nervous system are the A) brain and spinal cord. B) sympathetic system nervous system and the autonomic nervous system. C) endocrine system and circulatory system D) somatic nervous system and the autonomic nervous system You come home one night to find a burglar in your house. Your heart starts racing and you begin to perspire. These physical reactions are triggered by the A) somatic nervous system. B) sympathetic nervous system. C) parasympathetic ner

Explanation / Answer

1. Neurons are best described as nerve cells that function as the building blocks of the nervous system.
2. Excitatory signals to a neuron must exceed inhibitatory signals in order to tigger an action potential.
3. The chemical messangers released into the spatial junctions between neurons are called neurotransmitters.
4. An undersupply of serotonin is most closely linked to depression.
5. You feel the pain of a sprained ankle when motor neurons relay messages from ankle to your central nervous system.
6. The central nervous system consists of the brain and the spinal cord.
7. THe two divisions of the peripheral nervous system are the somatic nervous system and autonomic nervous system.
8. You come home one night to find a burglar in your house. Your heart starts racing and you begin to perspire. These physical reactions are triggered by the sympathetic nervous system.
9. THe part fo the peripheral nervous system that controls the movements fo your mouth and jaws as you eat is called somatic nervous system.

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