It must be our backs because the skin there is the thickest and toughest in our bodies. :)
I thought it was testicle but others say it's your lips
· waist · whiskers · windpipe · wisdom tooth · womb · wrinkles · wrist
The least body part of a dinosaur to be likely as a fossil are the muscles.
Your hair.
Brain
The Back (in the middle).
the male brain
older people tend to have more wrinkles, therefore, the dirt gets trapped in between these wrinkles and when the older people wash they can't wash inbetween their wrinkles, so that makes them smell because dirt is being trapped in their wrinkles.
Wernicke's area in the brain, used to interpret sounds into language.
No, many objects have no mass (at least no mass that is part of the body concerned) at their centre of mass. Not ,necessarily. Center of mass is an imaginary point.(at least no mass that is part of the body concerned)
No sweat does not cause wrinkles. Although if you sweat so much that your entire body becomes dehydrated, your skin will be dehydrated as well. Dehydration of the body is not healthy at all, so hopefully it doesn't happen too often! - but I guess if you are dehydrating yourself several times a day it could end up causing you wrinkles. In that case I think the rest of your body would shut down a long time before you notice the wrinkles though!
foot and hand