Mummy powder was once thought to be a cure for all remedies. English men used to carry the powder with them in a tiny bag wherever they went.
The reason why your nose gets runny when you are crying is because the tears from the eyes drain into the nose.
Next to bone marrow, hair is the fastest growing tissue in the human body.
The study of the iris of the eye is called iridology.
The reason why hair turns gray as we age is because the pigment cells in the hair follicle start to die, which is responsible for producing "melanin" which gives the hair colour.
The average life span of a single red blood cell is 120 days.
The human heart can create enough pressure that it could squirt blood at a distance of thirty feet.
There are approximately 60 muscles in the face.
The oldest known disease in the world is leprosy.
The space between your eyebrows is called the Glabella.