Bozeman Science
Organ Systems
Blood passes through the kidneys about 300 times a day. Show your class how the kidney and bladder work together to filter blood in the excretory system. This 19th video in the series explores how the circulatory and respiratory systems...
Bozeman Science
Homeostatic Evolution
How does something remain the same in order to change? The video discusses homeostatic evolution from both the continuity and changing perspectives. An analysis of the excretory system in flatworms, earthworms, and vertebrates shows...
TED-Ed
Why Isn't the World Covered in Poop?
Here's a resource that is definitely not a waste. Viewers learn about rollers, tunnelers, and dwellers, three types of dung beetle clean-up crews and the important roles they play in preventing global warming and in indicating the health...
MinuteEarth
Why Is Poop Brown And Pee Yellow?
We all do it ... why not have a better understanding of the process? Life science scholars discover how the colorful foods we eat are either brown or yellow when our bodies have finished with them. The narrator leads the tour through the...
MinuteEarth
Ambergris: Why Perfume Makers Love Constipated Whales
Does perfume really contain whale excrement? Only the most expensive varieties! An intriguing video lesson explains the origin of the ambergris ingredient through a tour through the sperm whale's digestive system. Scientists only...
Crash Course
The Excretory System: From Your Heart to the Toilet
Beginning with how different animals excrete waste, this short video moves on to the human excretory system from the kidneys, to capillaries, to the loop of Henle, to the excretion out of the body.
Amoeba Sisters
Human Body Systems: The 11 Champions
An informative video offers a brief overview of the 11 systems in the human body. It gives a brief description of each before pointing out their interdependence.
TED-Ed
Why Do We Pass Gas?
Flatulence is a fact of life. But what exactly is happening in our bodies that produces this excess gas? Find out with this entertaining, yet educational, video that explores the different types of bacteria that aid...
Crash Course
Crash Course Biology #29: The Excretory System
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. [12:21]