What Is a Mule?
A mule is an animal that has a donkey for a father and a horse for a mother. Mules have no offspring of their own. It looks a bit like both
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Body
How Did the Armadillo Get Its Name?
How Did the Armadillo Get Its Name? The early Spanish explorers gave the armadillo its name when they first discovered these animals in Mexi
How Do We Know When We Are Hungry?
How Do We Know When We Are Hungry? Hunger begins when substances like glucose (sugar), minerals, vitamins, and amino acids are missing from
Why Do Dogs Pant?
Why Do Dogs Pant? Dogs pant to cool off when they are feeling hot. When our body temperature gets too high, we sweat. Evaporation of sweat f
Why Do We Have Hair?
The main purpose of hair is to protect the body. Hair keeps the top of the head warm in winter, and shields it from bumps and bruises. The h