Nervous+system

1. Central nervous system- its made up of the brain and spinal cord.

2. Spinal cord- Relay station for all impulses to and from the brain

3. Spinal reflex- Automatic behavior where movement is activated only by the spinal cord

4. Pain reflex- illustrates this neural pathway.

5. Peripheral nervous system- consists of neurons that transmit messages to and from the central nervour system.

6. Somatic nervous system- connects the CNS sensory receptors and muscles.

7. Autonomic nervous system- it controls and regulates the glands and muscle of internal organs.

8. Sympathetic nervous system- most active during processes that involve spending the body's energy from stored reserves

9. Parasympathetic nervous system- most active during processes that involve replenishing the body's energy.