TED-Ed
How the Heart Actually Pumps Blood
Let your heart rejoice! A unique video explains in detail how the heart works to transport blood throughout the human body. Use it during your human body unit, and then discuss the accompanying comprehension questions as a review of the...
SciShow
What Color is Your Blood?
Everyone knows that blood is thicker than water, but do they know what color it is when it is circulating? The various proteins that determine the color of this vital mixture are revealed, and the question is answered once and for all!...
Bill Nye
Bill Nye The Science Guy on Blood and Circulation
Did you know that high-speed aviators need to wear a special g-suit in order to keep blood flowing to their brains when experiencing intense acceleration forces? Bill Nye takes a flight in such a situation. After his trip, two facts...
Bozeman Science
Circulatory System
The average person's heart beats about three billion times during their lifetime. In this circulatory system video, learners briefly see the difference between an open and closed circulatory system. The rest of the video focuses on 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....
Howard Hughes Medical Institute
How a Heart Attack Occurs
Heart disease causes more deaths in both men and women in the United States than any other factor, buy many people don't fully understand what causes a heart attack. A brief animation demonstrates the slow buildup of plaque, a blockage...
American Chemical Society
What Happens to Your Body When You Die?
Your heart may not be pumping, but there are still many chemical reactions that continue in your body. An installment of a video series on chemical reactions describes the decomposition process of our bodies after death. It pays...
PBS
Pbs Learning Media: Crash Course Anatomy and Physiology: Blood Vessels, Part 2: Blood Pressure Kills
In this episode, we return to blood vessels. We discuss what blood pressure is, how it can become "high," and what that means for our health. One of the more interesting points is that your body has ways of dealing with high blood...
PBS
Pbs Learning Media: Crash Course Anatomy and Physiology: Blood Vessels, Part 1: Form and Function
We begin our look at how blood gets around your body. In this episode, we look at the basic three-layer structure of your blood vessels. We review how those structures differ slightly in different types of vessels. We will also follow...
Khan Academy
Khan Academy: What's Inside of Blood?
Spin down your blood and find out what it's made up of. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Baby Circulation Right After Birth
Watch how the blood flows through the baby's circulation and compare it to what happens in the fetus. [3:25]
Khan Academy
Khan Academy: Heart Introduction: Flow Through the Heart
Learn how blood flows through the heart, and understand the difference between systemic and pulmonary blood flow. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Fetal Circulation: Fetal Circulation Right Before Birth
Watch how the blood flows through the fetal circulation and compare it to what happens in the baby's body. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:52]
Khan Academy
Khan Academy: Fetal Circulation: Umbilical Vessels and the Ductus Venosus
Watch as fetal blood goes through umbilical vessels and takes a shortcut through the Ductus Venosus to make it back to the heart. Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:43]
Khan Academy
Khan Academy: Fetal Circulation: Foramen Ovale and Ductus Arteriosus
Watch how the fetal heart allows blood to simply bypass the lungs altogether using the Foramen Ovale and the Ductus Arteriosus! Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Fetal Circulation: Hypoxic Pulmonary Vasoconstriction
Watch how blood gets diverted away from alveoli with low oxygen levels. Rishi is a pediatric infectious disease physician and works at Khan Academy. [9:13]
Khan Academy
Khan Academy: Blood: Hemoglobin Moves O2 and Co2
Learn the two ways that oxygen moves from the lungs to the tissues, and the three ways that carbon dioxide returns from the tissues to the lungs. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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: Fetal Circulation: Baby Circulation Right After Birth
Watch how the blood flows through the baby's circulation and compare it to what happens in the fetus. Rishi is a pediatric infectious disease physician and works at Khan Academy.
PBS
Pbs Learning Media: Crash Course Anatomy and Physiology: The Heart, Part 1: Under Pressure
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today we'll learn how it really works. The heart's ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood...
Khan Academy
Khan Academy: What Is Eisenmenger Syndrome?
Learn about Eisenmenger's syndrome when blood in the heart shunts from right-to-left due to increased pressure in the right ventricle. [10:01]
Crash Course
Crash Course History of Science #15: The New Anatomy
What is life? To try to answer that question, three tools stand out as being especially useful: A book, some experiments, and the microscope! In this video, trace the history of different theories about how our body works. [12:15]
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]
PBS
Pbs: Nova Science Now: Leeches
With this video resource, viewers follow a research biologist into the swamp to find out why leeches have such a bad reputation, and what role they play in today's environment and medical field. [11:01]
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