Ten weird but true human body facts that will surprise you with their science, oddities, and fascinating processes you never ...

Laid end to end, an adult's blood vessels could circle Earth's equator four times, with scientists estimating anywhere between 60,000-100,000 miles of blood vessels in the human body. Your heart ...

Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

Scientists published more than three dozen papers as part of the Human Cell Atlas, an effort to map the human body cell by cell. When you purchase through links on our site, we may earn an affiliate ...