Human Body
Why does hair keep growing?
Because hair roots keep making new hair cells for a while. Each hair grows from a follicle in the skin. Follicles follow growth and rest cycles, which is why some hairs grow long and others fall out.
Human Body
Because hair roots keep making new hair cells for a while. Each hair grows from a follicle in the skin. Follicles follow growth and rest cycles, which is why some hairs grow long and others fall out.