Tuesday, May 30, 2017

Hair - Muscle

We just learned about the Hair - Root Sheath.

Another interesting part of human hair is the Hair Muscle.
The fancy name for this muscle is the Arrector pili.

This muscle gets used when your skin gets cold and you get goosebumps on your skin as the hair is shoved out a little.

(from: wikipedia - arrector pili muscle)

Kid Facts - Blast from the past: Subthalamus