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Anatomy & Physiology

Anatomical Variations of the Circulatory System

The human body doesn’t always look like it does in textbook illustrations. The term anatomical variant refers to deviations from the norm that don’t impair functions, though some anatomical variants can cause symptoms. These are also known as normal ...
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Anatomy & Physiology

How—and Why—Do Humans Walk Upright?

Walking is something that many of us take for granted, but it’s more complex than you might think. Today on the Visible Body blog, we’ll look at the ...
Anatomy & Physiology

It’s Electric!: The Cardiac Conduction System

The healthy heart pumps five to six liters of blood every minute—if you’re like me and visualized that as three two-liter soda bottles, you know ...
Anatomy & Physiology

A Brief Guide to Blood Donation

Someone requires platelets or a blood transfusion every two seconds in the United States, but the Red Cross, which supplies 40% of the country’s ...
Anatomy & Physiology

4 Body Parts to Be Thankful For

When it comes to the body, some organs get more credit than others. We have so many songs and metaphors about lungs, guts, and veins, and we even ...
Anatomy & Physiology

Frightful Physiology: How Horror Movies Scare Us and Why We Can’t Get Enough

You know that feeling when the killer or the monster is creeping around the corner, ready to attack its next victim? Your heart races, your breath ...
Anatomy & Physiology

3 Dental Facts That Won’t Set Your Teeth on Edge

Between shopping for plastic vampire fangs and worrying that chewy candy might yank out a filling, we’ve been thinking a lot about teeth this ...
Anatomy & Physiology

New Anatomy Content: Fascia, Fascial Compartments, and Compartment Syndrome

Guess what, VB Blog readers? We have some exciting news for you! Fascial compartments have been one of our most-requested anatomy additions, and ...
Anatomy & Physiology, Biology

DNA and RNA Basics: Replication, Transcription, and Translation

DNA (deoxyribonucleic acid) is one of the most important molecules in your body, and though around 99.9% of your DNA is the same as that of every ...
Anatomy & Physiology, Pathology

Et Tu, Immune System? 4 Seasonal Allergy Facts

Spring is in the air! And if you live in the northeastern US, pollen soon will be, too. This means that, despite the warm weather, people who get ...