Professor Dave Explains
Drug Addiction and the Brain
We are able to become physically dependent on a wide variety of substances, which results in what we call drug addiction. What does this look like from a neurophysiological standpoint? What does the drug-addicted brain look like? Let's...
The Noted Anatomist
Autonomic innervation of the Bladder
This video tutorial briefly covers the sympathetic and parasympathetic role on bladder innervation. It focuses on the following: - Sympathetic neurotransmitters (epinephrine and nor-epinephrine) and receptors (adrenergic). -...
Professor Dave Explains
The Cell Cycle and its Regulation
Your cells have to divide when you're growing, to heal wounds, and to replace dead cells. But how do cells know when to divide and when not to divide? We can't have cells just growing willy-nilly! That's what cancer is, and that's bad....
Mazz Media
Brain and Nervous System
In this program viewers will learn about the three key components of the nervous system -- the brain, spinal cord and nerves -- all made up of special cells called neurons that transmit electrical impulses throughout the body. They'll...
Professor Dave Explains
Viruses: Molecular Hijackers
Most of us know about viruses, and that they spread disease. But what is a virus exactly? Is it alive? How does it infect a host? There's a lot to discuss here! Take a look.
Curated Video
Experts Explain Effects of Narcan on Opioids
Prince's final days and unexpected death at age 57 raise questions among experts familiar with prescription painkiller overdoses. It's possible the innovative musician's demise represents one of the most public tragedies in an overdose...
Curated Video
There's A New Experimental Treatment For Alcohol, Drug Addiction
Naltrexone is already FDA approved, but not as an implant. Options are being studied and if all goes well, one could be greenlighted in 2024.
Crash Course
Peripheral Nervous System
The brain does not feel pain, which is why surgeons can perform brain surgery without anesthesia or while the patient is awake. Pupils see how the peripheral nervous system allows humans to feel pain. The narrator explores the afferent...
Bozeman Science
Elements of a Feedback Loop
Even clothing styles are part of a feedback loop. Learners explore four different examples of feedback loops both outside of and within the body: speed limit signs, thermostats, thermoregulation, and blood glucose levels. They...
TED-Ed
How Does a Jellyfish Sting?
Jellyfish are not aggressive creatures. They simply use their stinging cells as a defense mechanism. Some animals have developed adaptations that prevent them from being affected by a jellyfish's sting. Watch to find out the science...
TED-Ed
How Do Pain Relievers Work?
Practically everyone experiences physical pain from time to time (although, believe it or not, some people don't). Often, people take a pill and then et it work its magic; learn exactly what that magic is through an engaging and...
Khan Academy
Khan Academy: Somatosensory Tracts
The somatosensory tracts (also referred to as the somatosensory system or somatosensory pathways) process information about somatic sensations such as pain, temperature, touch, position, and vibration. This information is received...
Khan Academy
Khan Academy: Types of Neurotransmitter Receptors
Learn about two different types of neurotransmitter receptors - ionotropic and metabotropic. [6:36]
BSCS Science Learning
Bscs: Drug Abuse Segment 2
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]