Professor Dave Explains
The Central Nervous Sytem: The Brain and Spinal Cord
The nervous system is extremely complicated, but we should definitely know the basics, so let's dive in! It is comprised of two main divisions, the central nervous system, and the peripheral nervous system. The first of these is made up...
Curated Video
Introduction to the Endocrine System and Negative Feedback Control
In this lecture, I discuss the endocrine system and how endocrine glands control functions in the body through the release of hormones. The pituitary gland is known as the Master Endocrine Gland and plays a major role in controlling the...
Institute of Human Anatomy
The Anatomy and Physiology of Erectile Function
This video explains the anatomy and physiology behind male erections, including the role of psychological and tactile stimulation, the parasympathetic nervous system, and the erectile tissues within the penis. The video also discusses...
Institute of Human Anatomy
Understanding the Physiology of Stress and its Health Consequences
This video discusses the physiological response to stress, including the activation of the sympathetic nervous system and the release of cortisol. It explores how these responses evolved to deal with primitive stressors and how they can...
TED Talks
Torsten Reil: Animate characters by evolving them
Torsten Reil talks about how the study of biology can help make natural-looking animated people -- by building a human from the inside out, with bones, muscles and a nervous system. He spoke at TED in 2003; see his work now in GTA4.
TED-Ed
TED-Ed: What would happen if you lost your sense of touch? | Antonio Cataldo
We don't often think of touch as being a vital part of movement, but touch is one part of a network that oversees all the sensations arising from the surface and interior of our bodies. Touch, pain, temperature, and our spatial awareness...
TED-Ed
TED-Ed: How fast is the speed of thought? | Seena Mathew
Your mortal enemy has captured you and hooked you up to a bizarre experiment. He's extended your nervous system with one very long neuron to a target about 70 meters away. At some point, he's going to fire an arrow. If you can then think...
Weird History
How Conjoined Twins Ended Up Taking Very Different Life Paths
Conjoined twins have long been the subject of great curiosity due in part to the rarity of the condition. Not to mention, many different ways exist for siblings to become anatomically connected to one another. Fueled by that curiosity, a...
SciShow
Why Do We Wrinkle When Wet?
Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution.
Curated Video
The Brain and Motor Control: Understanding How We Move
In this video, we explore the fascinating control center of our bodies - the brain. We learn about reflexes, motor systems, and the various motor areas in the brain that allow for precise voluntary control. Additionally, we discover the...
MinuteEarth
Why Some Molecules Have Evil Twins
A tiny change in a molecule’s geometry completely changes its effects on the human body. How We Made This Video (Ever & David Talk About Drugs): https://youtu.be/tefxgYP0BVM March for Science website: https://www.marchforscience.com...
MinuteEarth
Why Some Molecules Have Evil Twins
A tiny change in a molecule’s geometry completely changes its effects on the human body. ___________________________________________ If you want to learn more about this topic, start your googling with: Enantiomers: Molecules that are...
Homeschool Pop
Human Brain Facts for Kids | Structure and Function Video
Wow, the BRAIN! In this human brain facts video for kids learn the structure and function of this amazing organ of the body that controls most of the actions of your body and enables you to learn, think and even dream!! You will also...
Kenhub
Posterior column-medial lemniscus pathway (PCML)
This is the main ascending (sensory) pathway of the nervous system.
TED-Ed
TED-Ed: Why the octopus brain is so extraordinary - Claudio L. Guerra
ctopuses have the ability to solve puzzles, learn through observation, and even use tools - just like humans. But what makes octopus intelligence so amazing is that it comes from a biological structure completely different from ours....
Curated Video
Gut Microbiome Explained in Simple Words
The gut microbiome are the trillions of microorganisms – primarily bacteria, but also fungi, viruses and protists – that live inside your digestive system. Scientists are discovering that these microbes are vital for us to live healthy...
Curated Video
How to live without a heart or a brain - Lessons from a Jellyfish
The jellyfish is one weird sea animal. What makes it even weirder is that it doesn’t have a brain or a heart. Though it doesn’t have a brain, it does have a nervous system in the form of nerve nets and some have a structure called a...
Curated Video
The Impact of Touch on the Brain
Human touch has a huge impact on our brains and bodies. Learn how touch is processed by the brain and how the body responds to the sensation.
Curated Video
The Role of Serotonin in Our Mental Health
Serotonin is a chemical our bodies produce that influences how we sleep, our mood, appetite, and more. Low levels of serotonin can trigger depression. Learn more about serotonin and how it affects us.
SciShow
World's Most Asked Questions How Can I Get Rid of the Hiccups
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How do I get rid of hiccups?” Allow us at SciShow to explain.
SciShow
SciShow Quiz Show: The Ultimate Tiebreaker
Each of these contestants has won against the other on Quiz Show before. But this time, we will truly find out who is the best!