1. EL Science--Component 1 Biology (The Human Body)
The Nervous System
EL Science--Component 1 Biology (The Human Body)

2. What do you know about the nervous system?

3. Learning outcomes
The human body has automatic control systems, which may involve nervous responses or chemical responses coordinated by hormones.
Reflex actions are automatic and rapid. Examples include the response of the pupil in the eyes to bright light, and the knee jerk reaction.

5. The nervous system: video--the nervous system
-controls the functions of every part of the body
-it also tells the body how to respond when it comes in contact with some stimulus
Video 2 -

6. The nervous system consists of:
1) Brain
2) Spinal cord
3) Nerves

7. Scenario 1: What would you do when you touch something burning hot?

8. Would you move away your hand immediately?

9. You move your hand right away because it was a
reflex action

10. Reflex actions are
1) automatic
2) rapid

11. More examples
Knee jerk reflex explanation video