TED-Ed
What Does the Liver Do?
It's the heaviest organ in the human body, but exactly what role does the liver play in sustaining life? Follow along with this short video as it explores the various ways the liver filters, stores, and manufactures materials...
TED-Ed
How Do the Lungs Work?
With the thousands of tasks our brain consciously performs on a daily basis, it's amazing that breathing isn't one of them. Learn how human bodies are able to automatically control the exchange of gas that keeps us alive...
SciShow
Caffeine!
Caffeine is a mild stimulant for the nervous system and in moderation, is not harmful to the body. The narrator discusses sources of caffeine, its chemical make-up, and what it does inside the human body. He also shares the recommended...
Curated OER
Tell Me Why: Dizziness
Answer your young learners' question "What makes me dizzy?" with this quick video. Dr. David Zee gives a quick explanation of the inner ear fluid and how our sense of balance is construed. Use for a fun video alongside a discussion of...
TED-Ed
How Do Nerves Work?
This lesson won't get on your nerves! Find out how one kind of cell can cause comfort, terror, or pain in your brain. Comic strip and cartoon style animation is used to help explain the transmission of electrical nerve impulses and the...
TED-Ed
How Do Scars Form?
Most of us have suffered an injury we'd prefer to forget, but lingering scars just won't let us. Watch this video to find out exactly what happens during the healing process that cuases these changes to skin and organ tissue.
Be Smart
Why Are Some People Left-Handed?
Most animals that show a paw preference are split 50/50 with half of the population preferring one side and the other half preferring the other, yet in humans only 10 percent are left-handed. The video explains what part of the brain...
Veritasium
Are You Lightest In The Morning?
Does the time of day affect your body weight? If so, how? The narrator conducts an experiment to determine when the human body is its lightest. Viewers see interesting, and often amusing, theories from on-the-spot interviews and watch as...
University of California
How Do Our Bodies Fight Off Dangerous Chemicals?
Humans have produced more than 8,000 synthetic chemicals, and we don't know the long-term effects on our bodies for most of them. A video highlights current scientific research to determine which are safe and how to modify those...
Be Smart
Why Do We Itch?
Our skin is the first line of defense against insects, parasites, and other irritants. How do we defend it? Step inside the science of scratching with a video from an informative playlist. Topics include how itching evolved, what happens...
Bite Sci-zed
Digestion of a Hamburger
How do bodies digest all of the parts of a hamburger? An interesting video follows a hamburger through the digestive system, showing the pathway of digestion and explaining how each of the components of a hamburger—the bun, the meat, and...
SciShow
Strontium: It Knows Where You've Been
Humans ingest approximately 1-5 mg of strontium everyday! An interesting video describes how scientists use the element strontium to learn about people. The narrator explains where strontium is found and how it gets into and builds...
SciShow
Why We Have Pain, & How We Kill It
You'll be feeling no pain when you add this little video to your lesson on the the integumentary system, nervous system, or biochemistry. The star of the show lectures on the process of sensing pressure and pain, as well as on the...
Curated OER
Digestive Enzymes, Nutrition and Your Health
As Natalie describes in this video, nutrition is about more than just having a healthy diet. Your body's absorption, digestion, and elimination is key in your overall health. The function of enzymes is clearly explained along with the...
SciShow
What Are Eye Boogers?
Human eyes have a tear film that covers them and helps clear away the dust that would otherwise impede your vision. The video explains what happens when the eyelid doesn't open and close enough to clear away the dust, like when you are...
Curated OER
How We Hear
Ironically, no sound it heard in this video, only computer animation and text. It details how sound waves travel into the ear canal and cause the eardrum to vibrate. The inner ear bones and cochlear hairs are shown in motion. This...
Curated OER
The First Few Weeks
As the title implies, the first few weeks of a baby's development are shown in the animated video. From its beginnings as a blastocyst to cell differentiation and intense development, see just how complex reproduction and the beginning...
Be Smart
What If You Never Forgot Anything?
What would life be like if we never forgot anything? Challenge scholars to imagine the possibilities using a video from an extensive science playlist. Content includes how memories form, why forgetting is essential to learning, and what...
Howard Hughes Medical Institute
Development of the Cerebral Cortex
How do the many parts of our brains form as we grow and develop? Peer inside a developing brain using a short video. Topics include stem cells, differentiation, and the unusual way these specialized neurons organize themselves throughout...
Crash Course
Tissues (Part 1)
Once a nerve cell is damaged, it cannot be reproduced. Video number two in a series of 47 introduces high schoolers to tissues, focusing on the four types: nervous, muscle, epithelial, and connective. The narrator teaches their...
TED-Ed
What Does the Pancreas Do?
We are all born with one, but how many people actually know what the pancreas does? Follow along with a short video as it examines the important role this often-overlooked organ plays in digesting food and maintaining...
SciShow
How Much of Me Is "Star Stuff?"
Sugar and spice and everything nice ... and a little bit of star stuff! An enthusiastic presentation describes the elemental makeup of the human body and how these materials originated in a red giant star. As an episode of a larger solar...
Khan Academy
Cancer, Cells, MCAT
Learning about apoptosis and how cells can destroy themselves without any external influence is fascinating. Sal creates interest in the vast number of cells and the complexity of the human body. The likelihood of a mutation causing a...
SciShow
Vestigial Structures
Vestigial structures no longer perform their original function but are still found in many species. A video discusses the appendix, tail bone, wisdom teeth, and more. It explains the original purpose, the current purpose, and connections...