معلومات عامة

Features معلومات عامة

General information about the human bodyThe human body The human body is the physical core of the human organism, which is made up of cellsliving and external materials, and this body is organized through tissues, organs and systems, as it consists ofSpecific tissues and systems such as the heart, blood vessels, blood, glands, muscles, and various organs,In addition to containing many biochemical components such as protein, carbohydrates, fats,DNA, vitamins, etc.body organizationThe cell is the basic living unit in the human body, as the body is made up of nearly trillions of cellsOf which are capable of growth, metabolism and response to stimuli, although there are approximately 200 speciesDifferent types of cells, but they can be grouped into four basic categories:Epithelial tissue: The tissue that covers the surface of the bodyWhich covers the internal organs, body cavities and passages.Muscle tissue: any tissue capable of contracting and forming the muscles of the body.Nervous tissue: which conducts electrical impulses and makes up the nervous system.Connective tissue: consisting of widely spaced cells and large amounts of matrices thatIt is located between cells and connects the structures of the body together.