There are different opinions by different experts regarding the total number of muscles in the body. Our body has hundreds of muscles with an approximation of about 640 muscles while the adult skeleton contains 206 bones, the skeleton of an infant contains 350 (the bones fuse together as you grow). And more than half of your 206 bones are found in your hands and feet. HOW OUR MUSCLES AND BONES CAN BE ENGINEERED TO MAKE US HEALTHY AND FIT?