SciShow
The Tiny Fish That's Changing Modern Medicine
The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.
SciShow
5 Toxins Animals Steal For Themselves
This episode is brought to you by the Music for Scientists album! Stream the album on major music services here: https://streamlink.to/music-for-scien.... Check out the “For Your Love" music video here: • "For Your Love of... . Thievery...
SciShow
Is Long COVID Real? What We Know So Far
What is "Long-Covid"? What does it mean? The list of symptoms for “Long COVID” last long after you've healed from the illness. But the more we learn about it, and how it is similar to other post-infection syndromes, the better we can...
SciShow
Why River Otters Have Bones… In Their Hearts
Most mammals can develop bones in their hearts. For humans, it's usually a bad thing, but for river otters, it could be a useful adaptation.
SciShow
Why River Otters Have Bones… In Their Hearts
Most mammals can develop bones in their hearts. For humans, it's usually a bad thing, but for river otters, it could be a useful adaptation.
SciShow
Why Does COVID-19 Have So Many Symptoms?
For a respiratory disease, COVID-19 sure seems to affect more than just the respiratory system. Scientists think the receptor ACE2 is to blame.
SciShow
5 Toxins Animals Steal For Themselves
Thievery is a known survival strategy in the wild. But you couldn’t steal a toxin...or could you? Meet 5 animals that turn someone else’s poison into their own weapon of choice. PORE-FORMING TOXINS 0:50 BIRDS-FOOT TREFOIL 2:45 SIX-SPOT...
SciShow
How Did We Figure Out What a Heart Attack Was?
Heart attacks are the number 1 cause of death worldwide in the 21st century, but we weren't sure what caused them until 1980.
SciShow
Long COVID and Post-infection Syndromes: What We Know So Far
The list of symptoms for “Long COVID” are even more vast than the opinions about the right name for the condition. But the more we learn about it, and how it is similar to other post-infection syndromes, the better we can help those who...
TED-Ed
TED-ED: How your muscular system works - Emma Bryce
Each time you take a step, 200 muscles work in unison to lift your foot, propel it forward, and set it down. It's just one of the many thousands of tasks performed by the muscular system: this network of over 650 muscles covers the body...
Crash Course
Muscles, part 1 - Muscle Cells: Crash Course A&P
We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the...
Bozeman Science
The Muscular System
Paul Andersen explains the three types of muscle found in humans; striated, smooth and cardiac muscle. He explains how actin and myosin interact to contract the sarcomere in a muscle. The sliding filament theory explains how ATP and...
Curated Video
The Cardiac Cycle Song
If you think the Cardiac Cycle is hard, then this song's for you. From the lub to the dub, this will have you jamming your way to a deeper understanding of the cardiac cycle. Enjoy. 00:00 Chorus 00:22 Atrial Systole 00:44 Chorus 00:55...
Curated Video
Get Up and Get Going
Dr. Forrester teaches about your circulatory system and muscular system.
Healthcare Triage
Heart Stents, Angina, and the Placebo Effect
Stents are a popular treatment for angina pectoris, or chest pain usually resulting from narrowed arteries. Getting a stent is a serious procedure, with no small risk associated with it. And recent studies indicate that stents don't do...
Catalyst University
The Pacemaker Potential EXPLAINED
In this video, we discuss how the electrical conduction system generates a pacemaker potential by viewing the action potential diagram.
Catalyst University
The Mechanism of a Myocardial Infarction (Heart Attack)
Have you ever wondered what causes a heart attack (technical term, myocardial infarction)? In this video, we discuss the general physiological mechanism of an MI (myocardial infraction).
Catalyst University
More Pressure-Volume (PV) Curves
In this video, we discuss another type of pressure-volume loop in detail that you may encounter in your anatomy and physiology class.
Catalyst University
What is the Frank-Starling Mechanism in Cardiophysiology?
What is the Frank-Starling Mechanism? We will discuss this by talking about the effects of preload, left ventricular stretch and elastic recoil, and changes in stroke volume.
Catalyst University
All About Warfarin | Mechanism of Action
In this video, we discuss the vitamin K cycle and how the mechanism of action of warfarin (Coumadin) interferes to thin the blood.
Curated Video
Hypertension Treatment and the Physiology Behind it
What are the mechanisms that underlie the drugs that are used to treat hypertension? Drugs like ACE inhibitors, diuretics, and beta-blockers? That's what we cover in this video.
Catalyst University
The Cardiac Muscle Action Potential EXPLAINED
In this video, we explore the biochemical events that take place during the action potential of an individual cardiomyocyte.
Catalyst University
The Cardiac Conduction System
In this video, we discuss the components of and functions of the electrical conduction system of the heart.
CTE Skills
HST-AP - Mitosis/Cell Division
Mitosis is an asexual reproduction where a single cell divides into 2 identical cells (if mutation has not occurred) This video covers the process of cell division and all the key players including the nucleus, Chromatin, Chromosomes,...