Nervous System Word Scramble
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Question | Answer |
Nervous system function/purpose: | control body's actions & senses. |
How does the nervous system control the body? | collects sensory information, processes & interprets information, & initiates a response. |
The Central Nervous System (CNS) consists of: | cell bodies, axons, & dendrites. |
A cell body consists of: | a nucleus & organelles. |
Axons are: | elongated projections that carry signals AWAY from a cell body. They may have branches (called collaterals) to comminicate with many neurons. |
Dendrites: | are extentions of a cell's cytoplasm, which carry signals TO the cell body. |
The space or junction between two neurons (or neuron and organ) is called a: | synapse/synaptic cleft. |
The electrical nerve impulse transformes into what kind of signal? | chemical (neurotransmitter). |
Why is the electrical signal transformed into chemical? | to cross the synapse/junction. |
The neuron sending the signal across is: | presynaptic. |
The neuron or organ recieving the signal is: | post-synaptic. |
How many neurotransmitters have been identified? | over 30. |
Main neurotransmitters: | Acetylcholine, catecholamines, cholecytokinin, endorphine. |
Acetylcholine | stimulates the skeletal muscles |
Catecholamines | Epinephrine, norepinephrine, dopamine, histamine, & serotonin are involved in sleep, motor function, mood, & pleasure. |
Epinephrine, norepinephrine, dopamine, histamine, & serotonin are: | Catecholamines (involved in sleep, motor function, mood, & pleasure) |
Created by:
Sonhos
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