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...
Curated OER
Blood: Path of a Red Blood Cell
Despite slightly older animation, this fascinating video shows the path each red blood cell takes as it carries oxygen throughout the body. From the first pump of the heart pushing red blood cells to the lungs to pick up oxygen to the...
Curated OER
Circulation
A model of a torso in a high school classroom is displayed while the teacher points out various arteries going from the heart to the GI tract and down to the legs. She then looks at the veins coming back up and some superficial vessels....
Curated OER
Types of Blood Vessels
The functions of the various blood vessels are explicated quickly in this one-minute animated video. Quiz your young biologists on anatomy and show them this video after they have attempted to answer what the functions of the three types...
Curated OER
Kids Health: The Circulatory System
This short movie gives you a fun way to learn the basics of the heart and how the circulatory system works. From KidsHealth.
Crash Course
Crash Course A&p #25: The Heart, Part 1 Under Pressure
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...
Khan Academy
Khan Academy: Arterial Stiffness: Compliance and Elastance
In this video lecture, learn about compliance (and elastance) of arteries, veins, and lead pipes! [9:55]
Khan Academy
Khan Academy: Blood Vessels: Arteries, Arterioles, Venules, and Veins
Learn the differences between these blood vessels! Rishi is a pediatric infectious disease physician and works at Khan Academy. [7:43]
Khan Academy
Khan Academy: Blood Vessels: Layers of a Blood Vessel
Remember the three key layers of a blood vessel (Tunica intima, Tunica media, and Tunica externa) and how arteries, veins, and capillaries are all different from one another. Rishi is a pediatric infectious disease physician and works at...
Sophia Learning
Sophia: Cardiovascular System Overview: Lesson 1
This lesson will identify the main structures and function of the cardiovascular system as one of the 11 organ systems of the human body. It is 1 of 2 in the series titled "Cardiovascular System."
Cosmo Learning
Cosmo Learning: Video: Mechanism of Veins
A video showing an animation of how the one-way valves in veins work to push blood towards the heart. [0:19]
Sophia Learning
Sophia: Blood Vessels: Lesson 1
This lesson will classify the various types of blood vessels depending on their structure and function. It is 1 of 3 in the series titled "Blood Vessels."
Curated OER
Kids Health: Getting an Iv
Doctors and nurses use IVs to get fluids or medicines directly into a person's vein. IV is short for intravenous. Yes, there's a needle involved - but only for a couple of seconds. [2:14]