Curated Video
Muscle Contraction Made EASY: What REALLY Happens During Exercise
How do muscles actually contract? There's a lot involved in the process. And in this video, we talk about muscle contraction at the molecular level. We'll discuss sarcomeres, actin, myosin, the muscle action potential and the roles of...
Curated Video
042 How Calcium ion release results in Muscle Contraction
In this video, I show how the release of Calcium ions from the sarcoplasmic reticulum results in skeletal muscle contraction at the level of the sarcomere. Enjoy
Professor Dave Explains
The Composition of Rocks: Mineral Crystallinity and Bonding Types
What is a mineral? How are minerals classified based on their elemental composition, crystalline structure, and bonding type? Learn the basics of mineral composition and classification in this video.
Minerals part 1
Food Farmer Earth
Healthy Foods to Feed Your Dog
According to Rick Woodford, author of Feed Your Best Friend Better, cooking the right homemade food for your dog helps provide a greater variety of amino acids, vitamins, and especially phytochemicals and antioxidants that "help...
Curated Video
020 Facilitation
In this episode, I talk about the concept of facilitation and explain how it results in a stronger signal in the postsynaptic cell.
Curated Video
How Adrenaline and Acetylcholine Affect Heart Rate
In this episode, I discuss the effect of Adrenaline and Acetylcholine on heart rate. Adrenaline speeds it up and Acetylcholine slows it down. They both have their effect by modifying the conductance for ions such as Sodium, Potassium and...
Curated Video
Action Potentials and Contraction in Cardiac Muscle Cells
In this episode, I show how the Action potential is generated in cardiac muscle cells and how this results in Contraction of the Heart. When the action potential happens, calcium ions are released from the Sarcoplasmic reticulum, causing...
Curated Video
040 The Role of Hair Cells in Hearing
In this video, I show the details of how the bending of the stereocilia on the inner hair cells results in the release of neurotransmitters, which ultimately results in hearing. Enjoy.
Curated Video
043 The details of Muscle Contraction
In this video, I go into the nitty gritty details of how muscle contraction works at the level of actin and myosin in the Sarcomere. I deal with words like troponin and tropomyosin, sarcoplasmic reticulum and Terminal Cisternae. Fun...
Curated Video
Regulating Stroke Volume, Skeletal Muscle Pump and Frank-Starling Mechanism
In this video, I talk about some of the things the body does to regulate stroke volume. I talk about the skeletal muscle pump and how that increases venous returns and about how the increased venous return results in a stronger...
Curated Video
Drugs That Affect the Cardiovascular System
The circulatory system, like every other system in the body, is very important. And when there are problems with your cardiovascular system, your doctor may prescribe various medications to help. Let's take a look at five kinds of...
Curated Video
Regulating Peripheral Resistance - Part 1
Mean Arterial Pressure is Cardiac Output times Peripheral Resistance. That means if there's a change in Peripheral Resistance, that will result in a change in Mean Arterial Pressure. In this video, Leslie gets into the topic of...
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.
msvgo
Alkaline Earth Metals
This nugget explains the general characteristics of alkaline earth metals.
JJ Medicine
Vitamin D Toxicity (Hypervitaminosis D) | Causes, Pathophysiology, Symptoms, Diagnosis, Treatment
Vitamin D Toxicity (Hypervitaminosis D) | Causes, Pathophysiology, Symptoms, Diagnosis, Treatment ***NOTE: I forgot to mention that in the diagnosis of Hypervitaminosis D, it is important to not only measure calcium (which will be high),...
FuseSchool
Stomach Acid
Learn the basics about what stomach acid is as part of the acids and bases topic.
Catalyst University
Cardiac Muscle Action Potential Diagram EXPLAINED
In this video, we discuss the events of the cardiac muscle action potential by viewing the action potential graph/diagram.
Curated Video
Significance and Uses of Millet Around the World
This video explores the significance of millet in various cultures and traditions throughout history. The video also showcases the diverse influences and uses of millet throughout history and emphasizes its importance as a versatile and...
FuseSchool
Group 2 - Alkaline Earth Metals
Learn the basics about Alkaline Earth metals which are a group of chemical elements in the periodic table with very similar properties? What are those properties? Find out more in this video!
Curated Video
Calculating Balancing Numbers in Chemical Reactions and Limiting Reactants
The video explains how to use the masses of reactants and products in a chemical reaction to calculate the balancing numbers in a symbol equation. Two examples are provided to illustrate the process, and the concept of limiting reactants...
Catalyst University
Muscle Physiology: Troponin, Tropomyosin, and Myosin Cross-Bridge Cycle
Muscle Physiology: Troponin, Tropomyosin, and Myosin Cross-Bridge Cycle
Catalyst University
Mechanisms of Spasticity and Baclofen [Biochemical & Macroscopic]
In this video, we explore the mechanisms of spasticity and baclofen, the major drug used in the treatment of spasticity. Also be sure to check out my video on the Modified Ashworth Scale!
Next Animation Studio
Flashes of light show how plants signal distress
Researchers have found the plants communicate distress by using their own signaling system.
Professor Dave Explains
Types of Silicates Part 1: Orthosilicates, Disilicates, and Cyclosilicates
Silicates are a particularly complex class of minerals that all contain silica tetrahedra. Let's look at a few of the sub classes of silicates and the minerals in those groups to learn more about silicate structure. The 8 Classes of...