Curated Video
Nerve agent Novichok - how it breaks down the body
LEADIN:
Chemical experts say the nerve agent used to attack a former Russian spy and his daughter behaves differently to those previously used and is in a class of substances deadlier than similar chemicals like sarin or...
Khan Academy
Khan Academy: Changing the Heart Rate: Chronotropic Effect
Find out exactly how your autonomic nervous system has a chronotropic effect (i.e. timing) that changes the speed of your heartbeat! Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:02]
Sophia Learning
Sophia: Nervous System and Contractions: Lesson 1
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."
Sophia Learning
Sophia: Neuron Communication Synapses and Neurotransmitters
This lesson will define neurotransmitter, synapse, and receptor sites and explain their functions in neural impulses and types of neurotransmitters,.
Khan Academy
Khan Academy: What Is Contractility?
A video [13:44] that explains what contractility is and how it works to send messages through the sympathetic nervous system.
Khan Academy
Khan Academy: Synapse Structure
Synapses are where neurons contact and communicate with their target cells. This video explains the structure and types of synapses using diagrams. [6:50]
Science Friday Initiative
Science Friday: Genetics and Adhd
A scientist describes finding a genetic clue to Attention Deficit Hyperactivity Disorder, or ADHD, and what this could mean for treating this condition. Aired Jul. 11, 2008 [9:22 min]
Bozeman Science
Bozeman Science: Cell Communication
Paul Andersen discusses cell communication. He begins by explaining how he communicates with other individuals using various forms of electronic communication. He then explains how cells communicate when the distance between them is big,...