Structure of the Skin
The skin of an adult human weighs approximately 10,886 grams.
- The male brain weighs 1,408 grams, while the female brain weighs 1,263 grams.
- Both lungs weigh 1,090 grams.
- The heart weighs 315 grams for males and 265 grams for females.
- Both kidneys weigh 290 grams.
- The spleen weighs 170 grams.
- The pancreas weighs 8 grams.
- The thyroid gland weighs 35 grams.
- The prostate (in males) weighs 20 grams.
The human body is composed of many chemical elements. The most abundant elements include oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, sulfur, potassium, chlorine, and sodium. Among these, oxygen, carbon, hydrogen, nitrogen, and calcium constitute the majority. For instance, in a person weighing 70 kg, it is surprising to note that approximately 45.5 kg is oxygen; 12.6 kg is carbon; 7 kg is hydrogen; 2.1 kg is nitrogen; and 1 kg is calcium. Additionally, there are 700 grams of phosphorus, 175 grams of sulfur, 140 grams of potassium, 105 grams of chlorine, and 105 grams of sodium.