Nervous System ppt 2009
Presentation
•
Science
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12th Grade
•
Hard
Amelia Coltrane
FREE Resource
5 Slides • 5 Questions
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Multiple Choice
Why is the nervous system considered one of the most important systems in the human body?
It controls movement and senses, allowing us to interact with our environment.
It is responsible for digestion and absorption of nutrients.
It produces hormones that regulate growth.
It stores energy for future use.
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5
Multiple Choice
Which of the following statements about nerve fibers is correct?
Dendrites conduct impulses away from the cell body.
Axons receive impulses and move them toward the cell body.
Schwann cells are sheaths found around the axon.
Myelin makes unmyelinated nerve fibers appear gray.
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Fill in the Blanks
Neuroglial cells are several times more numerous than neurons in the
Type answer...
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9
Match
Neuron that connects sensory and motor neurons
Neuron that conducts impulses away from the CNS
Neuron that conducts impulses toward the CNS from the periphery
Chemicals released by neurons that stimulate other neurons, muscles, glands
Association neuron/
interneuron
Motor neuron
Sensory neuron
Neurotransmitters
Association neuron/
interneuron
Motor neuron
Sensory neuron
Neurotransmitters
10
Match
neuroglia
Schwann cells
sympathetic
myelin sheath
dendrites
support cells of neurons
produce myelin sheath in PNS
flight or flight system
insulates axons
portion of neuron that receives impulse
support cells of neurons
produce myelin sheath in PNS
flight or flight system
insulates axons
portion of neuron that receives impulse
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