1- the skin knows how to repair a cut
2- the hands know how to move the fingers/wrist in order to bring circulation through, for lubrication of the joints, and warming the hand
3- the hands/fingers know how to grow nails
4- the hands know how to bring blood supply
5- the bones of the hand flex with the help of the muscles and specialized tendons
6- the fingers can press Marma points or other areas to sooth pain
7- the hands can provide touch or massage to others and therefore calm the nervous-system, this gesture provides physical and emotional healing