In the beginning, Edward loses his left hand and left leg. At the end, you can clearly see that he had his right hand and left leg replaced by mechanical limbs. See more
Water, 35 litres. Carbon, 20kg. Ammonia, 4 litres. Lime, 1.5kg. Phosperus, 800g. Salt, 250 g. Niter, 100g. Sulphur, 80g. Fluorine, 7.5g. Iron, 5g. Silicon 3g. And fifteen other elements. Those are the elements to make an average adult human body. You can buy these elemental ingredients at the market with the pocket money of a child. Humans are made so cheaply.