Professor Dave Explains
Antitussives: Halting the Coughing Reflex (Codeine, Dextromethorphan, Tessalon)
Coughing is a complex process that involves an initial response to an irritant, moves up to the medulla, and triggers the abdomen to constrict. Antitussives are a wide range of drugs that attempt to supress the cough response. How do...
Catalyst University
Pain Modulation | Gate Control & Endogenous Opioid Mechanisms [TENS/IFC]
In this video, we explore the two major pain modulation mechanisms in TENS and IFC: gate control and endogenous opioid theories.
Curated Video
The Effects of Cannabis on Teenagers' Developing Brains
The video discusses the effects of cannabis on the developing brain of teenagers, highlighting the potential long-term consequences on intelligence, learning, and judgment. It emphasizes the importance of waiting until the brain is fully...
Next Animation Studio
Coronaviruses adapted to transmit across mammalian species: expert
The COVID-19 outbreak as of Feb. 25 has infected 80,000 people and resulted in about 2,700 deaths, mostly in China’s Hubei.
Catalyst University
Anatomy & Physiology of Olfaction [Nobel Prize Work!]
In this video, we explore the following: [1] Anatomy, location, and organization of olfactory epithelium [2] Biosignaling events for smell [3] Olfactory coding [4] Olfactory pathway to the brain
Professor Dave Explains
Signal Transduction in Immune Cells: Receptor-Ligand Interactions
Now that we know some things about immune cell structure and function, we need to start understanding how these cells interact on the molecular level, and how signals are translated into cellular response. This means looking at...
Institute of Human Anatomy
Understanding the Endocannabinoid System: How Cannabis Affects the Body
This video provides an overview of the endocannabinoid system, including the different types of receptors and cannabinoids involved. It explains how cannabinoids like THC and CBD can affect various parts of the body, and highlights the...
Curated Video
Thermoregulation: How the Body Controls Temperature
This video provides an overview of the body's thermoregulation process, which is responsible for maintaining optimal body temperature for enzyme function. The video explains how the brain's thermoregulatory sensor and temperature...
Curated Video
Understanding Retinal Fatigue
Staring at an image or screen for a long time tires our eyes out and can result in some strange visual affects. Explore the science behind this phenomenon and test your eyes on a few examples.
Institute of Human Anatomy
What Caffeine Does to the Body
What Caffeine Does to the Body In this video, Jonathan from the Institute of Human Anatomy discusses how caffeine interacts with the various tissues throughout the human body and produces it's various effects, including potential side...
Next Animation Studio
The coronavirus did not escape from a lab
The novel coronavirus did not originate from a research laboratory, according to a study published in Nature Medicine.
The Noted Anatomist
Adrenergic receptors
This video tutorial discusses Adrenergic receptors: 0:00. Intro 0:16. What are adrenergic receptors? 0:26. There are 2 types of adrenergic receptors 0:42. G-Protein coupled receptors that act through 2nd messengers 2:01. Alpha adrenergic...
Curated Video
032 Visual Processing in the Retina
In this episode, I talk about the visual processing that happens in the retina, starting with the rods and cones, going to the bipolar cells and then the ganglion cells. Watch to learn how this process works.
Next Animation Studio
Explainer: A complete picture of how coronavirus infects and damages the human body
The COVID-19 coronavirus, or SARS-CoV-2, targets human cells with ACE2 receptors, which are found in the respiratory system. The immune response can trigger potentially deadly inflammations and the virus can spread from the lungs to...
Rock 'N Learn
Human body: The Senses
Human Body for Kids engages young, inquisitive learners, while the depth of material gets older students ready for tests. Join Kevin and his friends to explore the senses.
Curated Video
017 Two Types of Receptors
In this video I talk about the two types of receptors - the ionotropic and metabotropic receptors and show how the result in different types of responses. Enjoy!
Curated Video
Pressure Reflexes and Mean Arterial Pressure
What happens when Mean Arterial Pressure goes to high? Baroreceptors fire, signal goes to the medulla, parasympathetic activity goes up, Sympathetic Activity goes down, which ends up resulting in an increase in Mean Arterial Pressure....
Curated Video
029 A General Overview of How Senses Work
In this episode, I give a general overview of how senses work. I use the example of vision to illustrate a process that applies to all senses. Enjoy!
Curated Video
EVERY Human Would Die Without This Cell
What if I told you that there’s one cell in your body that if you don’t have it, you will die? And I’m not saying you might die. I’m telling you that you WILL die if you don’t have it. What is it?
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...
Journey to the Microcosmos
Tumbling Down Invisible Highways
When we look at bacteria under a microscope, they appear to be tumbling around chaotically, but over the centuries we realized that their pathways have a purpose.
Catalyst University
What are the Physiological Mechanisms of Dietary Fiber?
We have all heard that dietary fiber is necessary for good GI and overall health. Human intestinal cells do not have enzymes to break down fiber, so how could this be? Here we will discuss the role of bacteria in fiber metabolism and...
JJ Medicine
Complex Regional Pain Syndrome | Causes, Pathophysiology, Signs & Symptoms, Diagnosis, Treatment
Complex Regional Pain Syndrome (CPRS) | Causes, Pathophysiology, Signs & Symptoms, Diagnosis, Treatment Complex Regional Pain Syndrome is a neuropathic pain condition involving long-lasting pain that is out-of-proportion to the...
CTE Skills
HST-MT-Medical Terminology of the Special Senses
This Health Sciences video covers proper use, pronunciation and definitions of medical terminology pertaining to the Special Senses.