/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: YenTran4 https://cdn.slidesharecdn.com/profile-photo-YenTran4-48x48.jpg?cb=1571659457 Cookies & Chocolates!! Made up of water, H2O, with cells consisting of 65-90% water by weight. Body mass is oxygen. Carbon, the basic unit for organic molecules, comes in second. Other six elements in my body: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. 1.Oxygen (65%) 2.Carbon (18%) 3.Hydrogen (10%) 4.Nitrogen (3%) 5.Calcium (1.5%) 6.Phosphorus (1.0%) 7.Potassium (0.35%) 8.Sulfur (0.25%) 9.Sodium (0.15%) 10.Magnesium (0.05%) 11.Copper, Zinc, Selenium, Molybdenum, Fluorine, Chlorine, Iodine, Manganese, Cobalt, Iron (0.70%) 12.Lithium, Strontium, Aluminum, Silicon, Lead, Vanadium, Arsenic, Bromine (trace amounts) Biology right?