What Is the Pituitary Gland?
What Is the Pituitary Gland? The pituitary gland is a small structure about the size of a pea which is attached to the base of the brain. It
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What Are Tears?
What Are Tears? Tears are made of salt water, as you will know if you have ever licked a finger after wiping them away. They happen when the
How Does a Squid Use Its Ink to Escape Enemies?
Squid (and also octopus) belong to a group of animals called “Cephalopods” and these animals all shoot out ink, they jet it out with some wa