Crash Course
Sympathetic Nervous System: Crash Course A&P
Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to...
SciShow
How "Flying Death" Has Saved Hundreds of Lives
Curare, known as "flying death," was used for centuries to make poisoned arrows. Scientists discovered how to use it to create life saving medical treatments that we still use today.
Crash Course
Big Guns: The Muscular System - CrashCourse Biology
Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax.
Crash Course
Muscles, part 2 - Organismal Level: Crash Course A&P
Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three phase cycle of muscle...
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...
Institute of Human Anatomy
The Strongest & Most Fascinating Muscles In Your Body
In this video, Jonathan from the Institute of Human Anatomy discusses 5 amazing muscles that have unique functions when compared to the typical skeletal muscle. Some of these muscles can protect the body and even make life a little bit...
Institute of Human Anatomy
Why the Eye Has the Fastest Muscles in the Human Body
In this video, Jonathan from the Institute of Human Anatomy discusses the unique features of the muscles that move the eye (extraocular muscles) and why they are some of the fastest and most coordinated muscles in the human body.
Institute of Human Anatomy
Sex, Fat, & Weight Loss | The Gland That Controls It All
In this video, Jonathan from the Institute of Human Anatomy discusses the powerful effects the thyroid hormones have on metabolism and how this influences fat burning, weight loss & weight gain, as well as muscle and nervous system...
Institute of Human Anatomy
How Your Lungs "Change" With Exercise
In this video, Jonathan from the Institute of Human Anatomy discusses how the lungs supply the oxygen necessary for exercise, some of the mechanics of breathing, the muscles involved, as well as if and how the lungs can adapt to exercise.
Institute of Human Anatomy
How Many Muscles Does it Take to POOP?
In this video, Jonathan from the Institute of Human Anatomy discusses the anatomy of the large intestine, as well as the mechanics of defecation.
Institute of Human Anatomy
Exercise & Sugar: When Sugar Can Be a Good Thing
In this video, Jonathan from the Institute of Human Anatomy explores the dynamics of sugar in the body, covering topics like monosaccharides, disaccharides, glucose, insulin, and the effects of exercise on sugar regulation. Discover how...
Visual Learning Systems
The Three Types of Muscles in the Human Body
In this video, the different types of muscles (skeletal, smooth, cardiac) in the human body are explained. The video highlights how muscles work in pairs, contracting and relaxing to allow movement, and provides a basic understanding of...
Catalyst University
Radicular Pain Versus Radiculopathies EXPLAINED
In this video, we discuss the differences between radicular pain and a true radiculopathy including their most common mechanisms.
Visual Learning Systems
Skin, Skeletal, and Muscular Systems: Muscles in Action
This colorful series of videos highlights the major features of the skin, skeletal, and muscular systems. Live-action footage, accompanied by three-dimensional animations, illustrate these fascinating body systems. Special attention is...
Rock 'N Learn
Human Body - Science for Kids
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 skeletal, nervous, muscular, circulatory, urinary, respiratory, and...
Catalyst University
Anatomy & Functions of the Elbows Flexors & Extensors
In this video, we discuss the two movements of the elbow joint (flexion and extension) and the muscles that facilitate each movement. Also, origins, insertions, and actions are covered with an interactive muscle anatomy program.
Institute of Human Anatomy
Understanding Sugar: How the Body Processes It and the Role of Exercise
This vide explains what sugar is, how the body processes it, and why too much of it can be bad for us. They also discuss the differences between simple and complex carbohydrates, the effects of insulin, and the benefits of exercise in...
Catalyst University
More Physiology of the Myocardium
Here, we explore the physiology and metabolic requirements of the myocardium layer of the heart. Also, what would happen if a blood vessel in coronary circulation became occluded?
Catalyst University
BASICS of Glycolysis and the Krebs Cycle - Production of ATP, NADH, & FADH2
In this video, we discuss the basic functions of glycolysis and the Krebs cycle in producing ATP, NADH, and FADH2, of which the latter two power the electron transport chain.
Institute of Human Anatomy
How Muscles Adapt: Understanding Slow and Fast Twitch Fibers
This video discusses how muscles respond and adapt to exercise. It explains the differences between slow twitch and fast twitch muscle fibers and how they adapt differently to exercise. The video also discusses the importance of...
Catalyst University
Identifying Important Facial Muscles
Here, we locate and discuss the basic functions of facial skeletal muscles.
Kenhub
Spinal membranes and nerve roots
Section of the spinal cord showing the spinal membranes and nerve roots.