1.1	The Human Nervous System

 

Definition

The human nervous system is the control system in the human body

The nervous system is divided into:

• Central nervous system

• Peripheral nervous system

The structure of the human nervous system:

 

The pathway of the human nervous system:

 

1. Stimuli

2. Sensory 

3. Organs/receptors

4. Nerve impulses

5. The brain

6. Nerve impulses

7. Effector

8. Respond

Type of response:

• Controlled action

• Out-of-control actions

Definition
Controlled action	Out-of-control actions
Actions that can be controlled by one’s will	Actions that occur automatically, that is are unnoticed and cannot be controlled according to one’s will
Example
- Communication - Thinking - Eating	- Breathing - Digestion - Eye reflex