This list covers 15 of the most fascinating and unbelievable facts about our bodies ... Now that’s incredible healing power! The human body is truly an amazing, weird, and awesome thing.

grandparents. About 43%, to be precise. This much of your body is made up of human cells, while the rest is a mix of bacteria, viruses and fungi that combine to make your microbiome. This is ...

Test your smarts against this one-minute video, where Ask Smithsonian host Eric Schulze uncovers the facts behind five popular myths about the human body. 3play_processed Ask Smithsonian Explore ...

But how much do you actually know about your newborn baby's body? Try our quiz and prepare to be blown away by these 10 amazing facts about your little one’s brain and body.

Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich blood to all parts of the body. amazing heart facts.