SciShow
The Bizarre World Of Underwater Sneezing
For us terrestrial animals, sneezing is a regular part of life involving the movement of a lot of air. But animals that live underwater and don't breathe air like we do also sneeze. Sea sponges, corals, and hagfish use their snot to...
SciShow
Are Sore Muscles Actually Getting Bigger?
After a tough gym sesh, your muscles are likely pretty sore—that means they're growing right? Find out about what's actually happening in your body when your muscles are sore on this new episode of SciShow! Let's go! Hosted by: Hank Green.
TED-Ed
TED-Ed: The most important anus in the ocean
Is it a fuzzy sock? An overripe banana? A moldy tube of toothpaste? In fact, it’s a humble sea cucumber: a brainless, fleshy form surrounding a digestive tract, and bookended by a mouth and an anus. And while it might look odd, its daily...
SciShow
Are Sore Muscles Growing?
You hit the gym for the first time forever and now you can barely move... that means you're getting totally ripped, right? Maybe! Find out on this week's QQ!
TED-Ed
TED-Ed: How do ventilators work?
In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as the first...
MinutePhysics
The Man Who Corrected Einstein
This video is about how Russian physicist Aleksandr Fridman corrected Albert Einstein about the expansion of the universe. Einstein thought that general relativity implied that space had to be static and unchanging, but he had made a...
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...
Curated Video
Heart Sounds Made Easy - S1, S2, S3, S4 and Murmurs (Systolic and Diastolic)
Everything you need to know to get a basic understanding of heart sounds. I cover S1, S2, S3, and S4, what leads to those sounds as well as Systolic and Diastolic murmurs.
Curated Video
The Science Behind the Body's Response to Exercise
This video explains how the human body responds to exercise and the increased demand for energy that comes with it. The role of cellular respiration, glucose, and oxygen in supplying energy to the muscles is explained. The video also...
Institute of Human Anatomy
Understanding the Mystery of Side Stitches: Theories and Anatomy Explained
In this video, the speaker discusses the various theories surrounding side stitches, or exercise-related transient abdominal pain (ETAP). Using a cadaver to demonstrate the anatomy of the abdominal cavity, the speaker explores the...
Amor Sciendi
The Anatomy Lesson of Dr. Nicolaes Tulp: How Our Muscles Work
Dr. Nicolaes Tulp gives us an anatomy lessons on muscles and the felxor digitorum.
Curated Video
SPECIAL: RECOVERY FROM CHILDBIRTH – PART 2
Wai Lana helps you focus on poses to strengthen your abs, back, and thighs. This will ensure that you can carry your growing infant without experiencing back pain.
Catalyst University
TherEx | Quad Sets, Straight Leg Raises (SLRs) & Progressions
In this video, I demonstrate and explain correct technique for quad sets and the straight leg raise (SLR) along with one good progression of the exercise.
Catalyst University
Abdominal Reflex | Procedure & Results Interpretation
n this video, I explain the abdominal reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal.
Curated Video
An Accountant's Journey from Intern to CEO of the Bronner Group
In this video, the CEO of a professional services firm shares her journey from being an intern to starting her own WBE consulting firm, leveraging the set asides for female and minority firms. She talks about the importance of...
Curated Video
Turtles: A Look at Their Diversity and Adaptations
This video provides an informative overview of turtles, highlighting their distinct characteristics, diverse species, and unique adaptations. It explores their evolution, habitats, physical features, reproductive behaviors, and lifespan....
The Business Professor
Dealing with International Contracts
Products that a manufactured and sold in different nations are subject to international agreement. This video explains what are International Contracts and how do they work. Also, this video explains what are the important considerations...
Institute of Human Anatomy
How the Heart Contracts: Understanding the Electrical Activity and Heart Arrhythmias
In this video, the teacher explains how the heart is able to contract dependably through its natural pacemaker, the SA node, and other specialized cells. The electrocardiogram (ECG) is also discussed as a highly effective method of...
Curated Video
041 An Introduction to Skeletal Muscle Contraction
In this episode, I start talking about skeletal muscle contraction, by giving a general introduction into how muscle contraction happens. I deal with how the action of actin and myosin in the sarcomere results in movement. Enjoy!
Curated Video
Isovolumetric Contraction
In this video, I talk about the isovolumetric contraction of the ventricles. Once the signal travels to the ventricles, the ventricles contract. However, the valves remain closed until the pressure builds up high enough to open those...
Curated Video
090 The Deltoideus Muscle: Origin, Insertion, and Action
In this video, Leslie tells more about the first of six intrinsic shoulder muscles, the deltoid muscle. Furthermore, he gives us a great way of remembering the muscle's origin, insertion, and action by using what we have learned in...
Curated Video
087 The Superficial Extrinsic Shoulder Muscles
In this episode, Leslie Samuel teaches us about the complex origins, insertions, and actions of the trapezius muscle and latissimus dorsi. Learn how to identify the different actions that each of these muscle does. This and much more!
Catalyst University
The Cardiac Conduction System
In this video, we discuss the components of and functions of the electrical conduction system of the heart.
Rachel's English
How to Introduce Yourself -- American English Pronunciation
Get more comfortable introducing yourself in English with the video that goes over some common phrases we use when introducing ourselves!