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Human anatomy is the study of the shape and form of the human body. The human body has four limbs (two arms and two legs), a head and a neck , which connect to the torso . The body's shape is determined by a strong skeleton made of bone and cartilage , surrounded by fat ( adipose tissue ), muscle, connective tissue , organs, and other structures.
The biological basis of the study of physiology, integration refers to the overlap of many functions of the systems of the human body, as well as its accompanied form. It is achieved through communication that occurs in a variety of ways, both electrical and chemical. [8] Changes in physiology can impact the mental functions of individuals.
The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope.
The following is a list of hormones found in Homo sapiens.Spelling is not uniform for many hormones. For example, current North American and international usage uses [citation needed] estrogen and gonadotropin, while British usage retains the Greek digraph in oestrogen and favours the earlier spelling gonadotrophin.
Human nutrition is typical of mammalian omnivorous nutrition requiring a balanced input of carbohydrates, fats, proteins, vitamins, and minerals. However, the human diet has a few very specific requirements. These include two specific amino acids, alpha-linolenic acid and linoleic acid without which life is not sustainable in the medium to long ...
Structural organization of human body: Organ system; Tissue; Reference to the definition of organ system ; Reference to the definition of organ ; Functions of human life: Anabolism; Addition of a schematic diagram showing anabolism and catabolism ; Requirements for human life: Homeostatic imbalance; Targeted temperature management
Death is the termination of all vital functions or life processes in an organism or cell. [29] [30] One of the challenges in defining death is in distinguishing it from life. Death would seem to refer to either the moment life ends, or when the state that follows life begins. [30]
Gross anatomy has become a key part of visual arts. Basic concepts of how muscles and bones function and deform with movement is key to drawing, painting or animating a human figure. Many books such as "Human Anatomy for Artists: The Elements of Form", are written as a guide to drawing the human body anatomically correctly. [4]