It’s important to know basic facts about the human body for health reasons, because ignorance can be costly. Here are five basic facts you should know about the human body.

A Basic Body Plan (500-480 million years ago) This fish may not look much like a human being, but it has most of our key body parts, systems and organs: It has a skull, jaw, spine and fins.

Sure, researchers know the basic human anatomy and can identify organs, bones and muscles, but that doesn't explain what everything in the body does or how it truly works, Miller said. You may like ...

An ambitious project launched in 2016 has made a dent in one of biology’s greatest challenges — with more than 3,600 researchers profiling more than 100 million cells.

The human body comprises roughly 37 trillion cells, with each cell type having a unique function. Sign up here. The researchers aim to have a first draft of the atlas done in the next year or two.