Category: Anatomy
How Do Fingernails Differ from Toenails? Though fingernails and toenails may appear similar at a glance—both being made of keratin and emerging from the tips of digits—they differ significantly …
What Is the Function of Fingernails? Fingernails are often seen as simple extensions of our fingers—handy for scratching or grooming—but their function goes far beyond surface-level utility. Rooted in …
How Are Fingernails Attached to the Body? Fingernails appear to simply rest atop our fingers, but anatomically, they are tightly integrated with a complex system of tissues that anchor, …
What Does the Uvula Do? The uvula—the small, fleshy projection hanging at the back of your throat—is more than just a visual curiosity. Formally known as the palatine uvula, …
Fingernails may seem static, but they are dynamic structures continuously growing through a finely tuned biological process. The source of this growth is the nail matrix, a specialized tissue …
What Are Fingernails Made Of? Fingernails are something most people take for granted—until they chip, crack, or break. But beneath their glossy exterior lies a fascinating biological structure. So, …
How Many Teeth Do Humans Have? Humans have two sets of teeth: the primary (deciduous) teeth and the permanent teeth. If all teeth form correctly, twenty primary teeth and …
Why Do Feet Smell? Feet smell due to the overgrowth of bacteria. Sweaty feet are the source of foot odor. Each foot has over 250,000 sweat glands that produce …
How Do Glasses Work? It may surprise you to learn that if you wear glasses, you are in the majority. In the United States, the number of adults that …
Why Do We Have Birthmarks? Why do some people have birthmarks while others don’t? Several factors contribute to the appearance of birthmarks, including ethnicity, genetics, gender, and birth conditions. Birthmarks can …
Does Hair Color Affect Static Electricity? If all variables are constant, hair color does not affect static electricity. In other words, if you rub a balloon on the head …
There are many birthmark meanings steeped in superstition and folklore. Before the advances in medical science, superstitions were used to explain every occurrence – from conception to death and …
