<unk> <unk>  may be analyzed in various ways. This can be done in terms of the chemical elements present, or by molecular type e.g., water, protein, fats (or lipids), hydroxylapatite (in bones), carbohydrates (such as glycogen and glucose) and DNA. In terms of tissue type, the<unk>  may be analyzed into water, fat, connective tissue, muscle, bone, etc. In terms of cell type, the<unk>  contains hundreds of different types of cells, but notably, the largest number of cells contained in a human<unk>  (though not the largest mass of cells) are not human cells, but bacteria residing in the normal human gastrointestinal tract.
Composition of the human body
Pain in animals
Body shape
Bone conduction
Bodily integrity
causes of Infection
Human body
Gastrointestinal physiology