The Body

7 Essential Facts About the Pelvis

The pelvis is not actually a single body part, but a term that refers to a collection of bones, muscles and organs below the waist.

7 Surprising Facts About the Chin

This mysterious little body part is a surprising source of controversy among researchers.

10 Vital Facts About the Scrotum

2. Hot testicles can cause health and fertility problems.

7 Surprising Facts About the Breast

Smoking can cause breasts to droop, but breastfeeding doesn't.

11 Interesting Facts About Lymph Nodes

Though you might not often think about them, lymph nodes are crucial for your immune system.

13 Facts About the Sciatic Nerve

At its largest point, the sciatic nerve is about as big around as a man's thumb—plenty big enough to be an important part of the nervous system.

11 Striking Facts About the Jugular

Let's go for the jugular.

13 Surprising Facts About the Armpit

It's not your sweat that stinks.

11 Facts About the Thumb

Did you know opposable thumbs may have played a role in the development of language?

10 Things You Might Not Know About the Elbow

Without this crucial joint, many daily activities would be impossible.

8 Surprising Facts About the Stomach

Your stomach may very well be a key player in keeping your mood balanced.

13 Fundamental Facts About the Anus

3. Once a year, have a professional look at it.

11 Eye-Opening Facts About the Thyroid

This butterfly-shaped gland influences every cell in your body.

10 Facts About the Lungs

Taking in oxygen to power your whole body is just one part of your lung function. Altogether, your lungs are a highly efficient machine—and they do a lot more than you might think.

10 Flexible Facts About the Tongue

Your tongue isn't just important for tasting. Here are a few underappreciated facts about the most flexible muscle in your body.

7 Amazing Facts About the Amygdala

We're still learning about one of the most important structures of the brain.

5 Muscles You Might Be Missing

You're probably aware of some vestigial body parts, like wisdom teeth, that the human body doesn't really need. But did you know there are several muscles in that category as well?