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Elements in the Body

Principal Elements and Compounds in the Body

Elements or CompoundsPrimary Role
Oxygen Required for the chemical reaction that releases energy from nutrients; one of the atoms in a water molecule; a key element in other compounds of importance to the body
Carbon dioxide Given off as a waste product of cell respiration
Water Dissolves substances to make the more usable to the body; provides fluid to lubricate moving parts of the body; helps to maintain body temperature
Glucose Serves as the primary energy source for the cells
anatomy the study of structur of body parts to include size, shape, composition and the relationship among structures
physiology the study of the function of body parts(tells what they do and how they do it
How are anatomy and physiology related closely associated since the function of a body part is determined by the structure of the body parts
chemical consists of all chemicals that make up the body(can be divided into organic and inorganic compounds)
four main organic compounds carbohydrates, protein, lipids, and nucleic acids
four main inorganic compounds water, carbon dioxide, oxygen and minerals(salt)
cellular the cell is the basic structural and functional unit of the body, all metabolic reactions occur within the cells, cell composed of organelles that carry out specific functions, over 200 different types of cells
tissue similar cells grouped together to perform a particular function make up tissue
four types of tissue epithelia connective muscle and nervous tissue
organ made up of two or more different tissues that work together to perform a specific function
organ system made up of different organs that are arranged in functional groups so that the independent functions of the organs are coordinate to form specific tasks
organism the highest level of organization(the human body)all off the organization levels contribute to the functioning of the body as a whole unit and to the maintenance of homeostasis
levels of organization (lowest to highest) chemical, cellular, tissue, organ, organ system, organism
endoplasmic reticulum functions as a transport system
golgi apparatus functions to modify and package proteins
Created by: eellis