Composition of the human body organisms. Composition of the human body Body composition may be analyzed in terms of molecular type e.g., water, protein, connective tissue, fats (or lipids), hydroxylapatite (in bones), carbohydrates (such as glycogen and glucose) and DNA. In terms of tissue type, the body may be analyzed into water, fat, muscle, bone, etc. In terms of cell type, the body contains hundreds of different types of cells, but notably, the largest "number" of cells contained in a human body (though not the largest mass of cells) are not human cells, but bacteria residing in the normal human gastrointestinal tract. Almost 99% of
Passions of the Soul in reality the actions of the body on the soul (art. 25). The soul suffers the influence of the body and is entirely subject to the influence of the passions. In the manner by which Descartes explains the human body, the animal spirits stimulate the pineal gland and cause many troubles (or strong emotions) in the soul. The passions attack the soul and force the body to commit inappropriate actions. It was therefore necessary for Descartes to study in the second part of his treatise the particular effects of each separate passion and its manners of manifestation. The study of