Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.

For most of human history, the inner workings of the human body were a secret. Over the last few centuries, the invention of the microscope and other scientific techniques allowed scientists to ...

The endocrine system consists of glands that make hormones. Your body uses hormones to control growth, development, metabolism, reproduction, mood, and other functions.

The Human BodyEach organ in your body’s 11 organ systems work so you can perform activities like breathing, digestion, and movement.

The largest muscle in the human body is the Gluteus Maximus. It is responsible for keeping your posture upright, and is the principal antigravity force working when you walk up stairs.

Some of our body parts don't make sense (Credit: Getty Images) From illogical reproductive organs to the fact we walk upright, the body has a few mystifying features. Why?

Among the most impressive systems of the body is the musculoskeletal system. But how many muscles are in the human body?

Is This a Real Pic of Harvard Morgue Employee Charged with Trafficking in Body Parts? The story became major news in June 2023.

Today $6 million seems like a bargain for all that advanced technology. In 2024 quite a few body parts can be replaced with transplants or artificial […] ...

1. Skin (Image credit: Toa55 via Getty Images) Skin wears the crown of the heaviest organ in the human body — however, there's some discrepancy as to how much it actually weighs.