Third Grade
Worksheets
Why Do We Shiver?
I like to take a bath. I like the way the warm water feels on my skin. I do not like to get out of the bathtub. When I get out of the bathtub, I get really cold. Sometimes I am so cold that my teeth begin chattering, and I start to shiver. Why do we shiver when we are cold? Shivering is a reflex. Like all reflexes, shivering is involuntary. We don't have to think about a reflex in order to make it happen. When the air around us suddenly becomes cooler, the nerves in our skin sense that we are cold. These nerves then send messengers. They race to our spinal cord and brain. The .....
