The sympathetic nervous system's job is to prepare the body in situations that threaten your survival. Video 14 in a series of 47 about the body specifically focuses on the sympathetic nervous system and stress. The narrator explains how...

They say elephants never forget, but why exactly is that? Find out with this enlightening video as it explains the neuroscience behind the amazing intelligence of these giant mammals.

We continue our tour of the nervous system with a look at synapses and the crazy stuff cocaine does to your body. [10:56]

This lesson will investigate the role of the nervous system in muscle contractions. It is 1 of 4 in the series titled "Nervous System and Contractions."

This lesson will define neurotransmitter, synapse, and receptor sites and explain their functions in neural impulses and types of neurotransmitters,.

A neuroscientist explains synaptic processes in the brain and how they enable learning and memory. [4:49]

We continue our tour of the nervous system with a look at synapses and the crazy stuff cocaine does to your body. [10:57]

Learn about neurons, the specialized cells that transmit and receive electrical signals in the body. [6:12]

Forty years ago, we seemed to know more about the moon than we did about how our own brains work and grow. Not anymore! Watch this video to see how the brain works and grows? [3:12]

Learn about two different types of neurotransmitter receptors - ionotropic and metabotropic. [6:36]

Synapses are where neurons contact and communicate with their target cells. This video explains the structure and types of synapses using diagrams. [6:50]

This video is part 2 of a series of videos on drug abuse, addiction, and the adolescent brain. This video explains the role of the brain in drug addiction. [14:01]

This lesson will describe neurons communicate when sending a signal through the nervous system. It is 1 of 4 in the series titled "Neurotransmitters."