1. Nervous System

2. Organs of the Nervous System
Brain= uses information it receives from nerve impulses to coordinate actions
(uses info from nerves to react)

3. Organs of the Nervous System
Nerves= carry messages
throughout the
body

4. Organs of the Nervous System
Spinal Cord= Central communication system.
Nerve center
Messages are sent to the brain through the spinal cord.
Exception: Reflexes skip the spinal cord and go straight to the brain.

5. Functions of the Nervous System
Functions include:
Control center
Communication network
Coordinates all actions and reactions
Send messages as electrical impulses

6. Functions of the Nervous System
Functions include:
Allows us to
Think
Evaluate
Remember

7. Functions of the Nervous System
Functions include:
Sensory Input- Senses send messages to the brain.
Integration- The brain interprets and translates.
Motor Output- The brain sends messages to body.

8. Functions of the Nervous System
Functions include:
– Central Nervous
System- Maintains
homeostasis by
regulating vital body
functions such as
breathing, heart rate,
hormones, etc.

9. Functions of the Nervous System
Functions include:
– Peripheral
Nervous System-
Sensory Neurons- Carry information toward the central nervous system
Motor Neurons- Send impulses away from the central nervous system