the human nervous system 35-1 name the three parts of a neuron. describe the way in which a nerve...
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The Human Nervous The Human Nervous System 35-1System 35-1
Name the three parts of a neuron.Name the three parts of a neuron.
Describe the way in which a nerve Describe the way in which a nerve impulse occurs.impulse occurs.
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Can you label a neuron?Can you label a neuron?
• Cell body • Nucleus• Dendrites • Axon• Node of Ranvier
• Nucleus - Schwann cell• Schwann cell• Myelin sheath• Synaptic knob• Terminal Branches
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A faster impulse – the action potential jumps from gap to gap.
Myelin Sheath
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Three types of Nerve Cells
• Sensory Neurons
• Inter Neurons
• Motor Neurons
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In a synapse vesicles release neurotransmitters which cause the next neuron to fire.
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Art and text and presentation made by:Art and text and presentation made by:
Valerie Shiba Valerie Shiba and and
Jennifer LiJennifer Li
Hiya Mr. Nelson =P
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Xerox 35-1
• 1 e• 2 i• 3 d• 4 n• 5 g• 6 l• 7 j• 8 a• 9 j• 10 m
• 11 b
• 12 a
• 13 h
• 14 k,b
• 15 c
• 16 k
• 17 m
• 18 f
• 19 l
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Xerox 35-1 (Cont.)
• 20 dendrite• 21 b• 22 c• 23 d • 24 sensory• 25 negative
• 26 toward• 27 node• 28 neurotransmitter• 29 travel to the next
neuron• 30 the impulse would
not work• 31 increase the speed
of the neuron
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Credits
• Initial art, text and presentation made by Initial art, text and presentation made by Valerie Shiba and Jennifer LiValerie Shiba and Jennifer Li