The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
By weight, Bone is five times stronger than steel.
417
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Children are more allergic to cockroaches than they are to cats!
46
One quarter of the bones in your body are in your feet!
36
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22