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Definition
| A temporary reversal of cell membrane potential that results in a conducted nerve impulse down the axon |
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| Division of the nervous system that carries impulses to the brain |
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| Amino acid based hormones |
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Definition
| Hormones that are derived from a single amino acid |
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Definition
| Under Control of the hypothalmus. Effects target cells or other endocrine glands directly |
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Definition
| Part of the nervous system that provides involuntary action |
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Definition
| Extension of the neuron that carries messages away |
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Definition
| Part of the nervous system containing the Brain and spinal cord |
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Definition
| Outer layer of the cereberum |
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Definition
| Fluid that circulates in the brain and spine, supplying nutrients, hormones, immune system cells, and protection against jarring |
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Definition
| largest region of the human brain |
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Definition
| the coiled, membranous portion of the inner ear where vibrations are turned into sound |
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| photoreceptors that respond best to bright light, and provide color vision |
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Definition
| Extensions of neurons that bring messages to the neuron |
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Definition
| nerves that carry messages from the brain or spine |
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Definition
| Glands that release chemicals directly into surrounding tissues or blood stream |
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Definition
| Substances secreted by a set cells that effect other cells |
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Definition
| portion of the brain that regulates drives and is key in keeping homeostasis |
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Definition
| Interconnect other neurons |
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Definition
| sends instructions from the |
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Definition
| membranous covering of neurons |
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Definition
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Definition
| A chemical secreted into a synaptic cleft to transmit a message |
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Definition
| The division the conserves energy and promotes digestion |
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Definition
| sensory receptors for vision |
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Definition
| stores and releases two hormones, oxytocin and antidiuretic hormone |
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Definition
| responds in low light situations, sees in BLACK AND WHITE |
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Definition
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Definition
| inner layer of tissue in the eye that converts light into nervous system signals |
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Definition
| Automatic Nervous system response |
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Definition
| Division that stimulates metabolism, increases alertness, and prepares for emergencies |
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