What causes the sensation of chills during the flu?!
Question: Chills are caused by rapid muscle contraction and relaxation, and are the body's way of generating heat when it feels that it is cold. Chills often predict the coming of a fever, or an increase in the body's core temperature.
Answers: Chills are caused by rapid muscle contraction and relaxation, and are the body's way of generating heat when it feels that it is cold. Chills often predict the coming of a fever, or an increase in the body's core temperature.
A fever.
When you get a fever your body naturally cools itself down, so your body systems, like your muscles are working to lower that temperature, so you go through hot and cold as your body it working to lower the temp.
Goosebumps!