| 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:
The structure of the human nervous system:


The pathway of the human nervous system:
-
Stimuli
-
Sensory
-
Organs/receptors
-
Nerve impulses
-
The brain
-
Nerve impulses
-
Effector
-
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
|