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Body Parts

Body Parts work together to perform different functions required for life. Learn how your internal organs operate in this section.

13 People with Extra Body Parts

Extra body parts can occur more often than people might think. Doctors call the extra appendages "supernumerary" body parts and these can be found on some famous people in history.

10 Most Common Body Parts People Hide

No one is perfect, but sometimes, we go above and beyond to hide our flaws. Is your No. 1 insecurity on our list?

What does the pituitary gland do?

Your pituitary gland manages most hormone production. Learn about the pituitary gland in this article.

The sphenoid sinuses are located behind your eyes. Learn more about what sinus is located behind your eyes from this article.

There are several different sinus cavities located on your face. Your ethmoid sinuses are located inside your skull, between your eyes and immediately above your nose. Unlike other sinus cavities, which are large, single air-filled spaces, your ethmo ...

Your frontal sinuses are located right above your eyebrows. Learn more about your frontal sinuses from this article.

The maxillary sinuses are located right under your eyes and above the roots of your upper teeth. Learn more about the location of your maxillary sinuses from this article.

An Adam's apple is the protrusion of cartilage in the neck. Learn about an Adam's apple from this article.

Top 10 Body Parts That Can Be Successfully Rebuilt

Think it's a hassle when your car breaks down? Try finding a spare organ when your body gives out. Thanks to years of research, scientists are now amassing a "body shop" of sorts, dealing not in tires or mufflers, but in bladders, bones and breasts.

5 Things You Didn't Know About Your Heart

But no matter how many times you've doodled one on a piece of paper or touched your chest when expressing affection for someone, there's probably a lot you don't know about it. So what are five things you don't know about your heart?

Why do humans have body hair?

By waxing, shaving, plucking and shearing, we manage to keep unwanted hairs at bay. But considering how much you shell out for new razors and your trips to the salon, it's a wonder that we bend over backward to groom a bunch of dead cells.