Advanced nervous system physiology

Nervous system introduction
Neural cells and neurotransmitters
Neuron membrane potentials
Sensory perception
Sight (vision)
Sound (Audition)
Taste (gustation) and smell (olfaction)
About this unit
There are about 85 billion neurons in your brain, and they’re sending electrical signals in your body right now! They tell your eyes to move across this page, interpret the words that you read, maintain your posture...all in a fraction of a second. In this section we’ll explore this vast, complex system from the cellular to the sensory level.