SciShow Kids
Weird and Wonderful Amphibians | SciShow Kids Compilation
In this SciShow Kids compilation, Jessi and the gang learn about axolotls, poison dart frogs, and an amphibian with a boomerang-shaped head.
SciShow Kids
A Lot About Axolotls! | SciShow Kids
Axolotls are amazing pets! Join Jessi and Squeaks as they learn about why axolotls have feathery gills and live in water, and how to protect their natural habitat. First Grade Next Generation Science Standards Disciplinary Core Idea:...
PBS
The Evolution of the Heart (A Love Story)
In order to understand where hearts came from, we have to go back to the earliest common ancestor of everything that has a heart. It took hundreds of millions of years, and countless different iterations of the same basic structure to...
SciShow
Why Don't Penguins' Feet Freeze?
How do they do it? Penguins standing on ice, not only for days, but their whole lives! And their feet don’t hurt like ours would. It has something to do with blood and an amazing twist that penguins have developed.
SciShow
Why Do I Have Varicose Veins?
Usually, the 160,000 kilometers of blood vessels in your body work incredibly smoothly. However, the forces of age, weight gain, and gravity can conspire to cause lumpy varicose veins.
SciShow
The Speedy Cold-Hearted Tuna
Most fish are pretty sluggish in the cold. But the Pacific bluefin tuna is one of the fastest apex predators in the frigid Pacific ocean. Their physiology has adapted to help them retain more of the heat their bodies produce, except when...
SciShow
What Color is Your Blood?
What color is your blood. Red, right? Well, actually, yes. So why does it look blue when you see it through your skin? And is everyone's blood always the same color red (spoiler: no)? Do all animals have red blood ('nother spoiler: no!)?...
TED-Ed
TED-Ed: The surprising effects of pregnancy | TED-Ed
Muscles and joints shift and jostle. The heart's pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as...
TED Talks
TED: On the virtual dissection table | Jack Choi
Onstage at TED2012, Jack Choi demonstrates a powerful tool for training medical students: a stretcher-sized multi-touch screen of the human body that lets you explore, dissect and understand the body's parts and systems.
TED Talks
They Might Be Giants: Wake up! It's They Might Be Giants!
In a very, very early-morning set, They Might Be Giants rock TED2007, playing "Older," "Bee of the Bird of the Moth," "Asbury Park," "Fingertips," and "The Alphabet of Nations." Plus they take phone calls from the dead.
Amoeba Sisters
Circulatory System and Pathway of Blood Through the Heart
Join the Amoeba Sisters in their introduction to the circulatory system and follow the pathway of blood as it travels through the heart! This video explains the importance of blood, arteries, and veins, and it also introduces basic heart...
Crash Course
Blood Vessels, part 1 - Form and Function: Crash Course A&P
Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures...
SciShow
How We Could Prevent a Global Rice Shortage
Rice production needs to see a 50% increase by 2030 to keep up with population growth, but as the climate warms, rice plants will likely become less efficient. Fortunately, scientists are working on a pretty clever potential solution.
Bozeman Science
Finding Stomata
Paul Andersen shows you how to find stomata in a dicot and monocot leaf using finger nail polish and transparent tape. A microscope is required to actually see the stomata.
Crash Course
The Heart, part 1 - Under Pressure: Crash Course A&P
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart's ventricles, atria, and valves create a pump that maintains both high and low pressure to...
Crash Course
Circulatory & Respiratory Systems - CrashCourse Biology
Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.
Bozeman Science
Plant Nutrition and Transport
Paul Andersen explains how nutrients and water are transported in plants. He begins with a brief discussion of what nutrients are required by plants and where they get them. He shows you dermal, vascular and ground tissue in monocot...
Curated Video
Revolutionizing the Treatment of Varicose Veins: Laser Technology
Varicose veins, a common condition characterized by dilated veins and pooling of blood in the lower extremities, can be unsightly and painful. In the past, treatment involved major surgery and weeks of recovery. However, with the...
Curated Video
Parts of the Plant: Leaves
Why are leaves commonly flat, spongy and strikingly green? Discover the different parts of a leaf and their function. Biology - Plants - Learning Points. A leaf is made of many layers sandwiched between tough outer layers. Gases enter...
Curated Video
Dissection: Heart
We dissect and examine a cow\u2019s heart to show the position and function of different parts. This includes the coronary artery, ventricles, atria, pericardium and the thickness of the muscle tissue. Biology - Human Body - Learning...
Curated Video
The circulatory system – Odd one out
Four parts belonging to systems within the human body are shown, but which is the odd one out? Life processes - Body systems - The circulatory system A Twig Tidbit Film - Odd one out. The children have to work out which of four images is...
Curated Video
The Heart - Circulatory System
Explanation of the circulatory system. Life processes - Body systems - The circulatory system Learning Points The heart is a strong muscle that pumps blood throughout the body. Arteries and veins carry blood around the body. A Twig...
Curated Video
Heart transplant
The story of one man's life-saving heart transplant operation. Life processes - Body systems - The circulatory system Learning Points If the heart stops working oxygenated blood won't move around the body. Each heart beat pumps five...
Curated Video
Braving the Freeze: Protecting Your Body Against Extreme Cold
Explore effective ways to shield your body from severe cold conditions, as demonstrated during a harsh winter in Chicago with record low temperatures. Learn why our lips crack and fingers numb, and discover preventative measures from...