03.04 Nervous Systems
Sympathetic and Parasympathetic -Zahra Bokhari
Sympathetic System
What was that noise? (Stimuli)
This is a representation of fear when something triggers or startles you unexpectedly
Nerve Impulses caused by the stimuli:
This is what occurs in the cell when fear occurs in your nerve impulses.
Interneuron in CNS
Pre and Post-Ganglionic Motor Neurons
Effector Organs
Parasympathetic System
Oh it was just the fridge!!
The feeling of relief when you find out you actually aren't gonna die!!
Sensory Neurons when relaxed
Effector Organs
- Digestion continues and is back to normal
- pupils constrict
- heart rate returns to normal