The water in our body comes from everything
How Many Water Molecules Are in Your Body? The human body is about 60% water by weight. If you weigh around 185 pounds (~84 kg), that means: ~50 liters of water, or ~50,000 grams of water How Many Molecules Is That? One mole of water (18 grams) contains ~6.022 × 10²³ molecules (Avogadro’s number). So:…