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Nervous System

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Nervous System & Endocrine System Nervous System: Sending messages fast but they don t last long Endocrine System: Sending messages slowly but they last a long time – PowerPoint PPT presentation

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Title: Nervous System


1
Nervous System Endocrine System
  • Nervous System Sending messages fast but they
    dont last long
  • Endocrine System Sending messages slowly but
    they last a long time
  • Types of Neurons
  • Parts of the Nervous System
  • Glands Hormones of the Endocrine System

2
3 types Neurons
Types of Neurons
Sensory
Motor
Interneurons
3
Sensory Neurons
  • INPUT From sensory organs to the brain and
    spinal cord

Brain
Sensory Neuron
Drawing shows a somatic neuron
Spinal Cord
4
Motor Neurons
  • OUTPUT From the brain and spinal cord, to the
    muscles and glands

5
Interneurons
  • Interneurons carry information between other
    neurons only found in the brain and spinal cord

6
The ReflexWorks by bypassing the brain so you
can react quicker.Sensory Neuron
Interneuron Motor Neuron
7
A Neural Chain
8
A Neural Chain
9
A Neural Chain
10
A Neural Chain
11
A Neural Chain
12
A Neural Chain
13
The Nervous SystemSends messages quickly but
they dont last long.Broken into two parts
  • Central Nervous System (CNS)
  • Brain and spinal cord
  • Peripheral Nervous System (PNS)
  • Carries messages to and from CNS

14
The Nervous System It breaks down into two
parts.
Central nervous system
Peripheral nervous system
15
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19
Sympathetic and parasympathetic divisions of the
nervous system
20
Summary of autonomic differences
21
BOREDOM BUSTER!
  • We interrupt this long PowerPoint for this
    important message
  • Its LOG!!!

22
Endocrine SystemUses hormones that travel
through the bloodstream. Takes longer to get
there but lasts a long time
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