The human body produces and destroys 15 million blood cells every second.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror