Pop Popavich
Bluelighter
muzby said:why is it that the hairs on your legs / chest only grow to a certain length, but when you shave / wax them, they grow back to the same length and then stop growing.
how do they know???
"All the hair on your body, including the hair on your head, grows at a set rate for a specific period of time. After it reaches its pre-determined length, it falls out, and the hair-building process begins again."
Taken from Here
It's far more pronounced in animals like pigs, but all vertebrates have it to a certain extentOriginally posted by keystroke why can't dogs look up ?
"the cervical vertebrae have a series of interlocking articular and tranverse processes that limit excessive bending of the neck to protect the spinal cord."
