Air relates to the sense of touch, therefore skin is the related sense organ and the hand is the organ of action. The air element corresponds to anahata chakra, also called the heart chakra. Vayu is related with the actions of giving, and receiving and is displayed in it’s correspondence with the hands and anahata chakra.
Read more: http://flowingfree.org/the-5-elements/#ixzz2nHEmVAtZ