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Chemistry

TermDefinition
Energy the capacity for doing work or supplying power
calorie a unti used to measure the energy used by the body's main source of energy, includes sugars and startches.
enzyme a special protien that helps chemical reactions happen
Autotroph is the process of an organism being able to create/produce its own food.
Heterotroph is the mode of nutrition in which organisms depend upon other organisms to survive.
Chemoautotroph obtaining its nutrition through the oxidation of non-organic compounds (other chemical processes);
Ingestion Ingestion is a common route taken by pathogenic organisms and poisons entering the body.
Digestion the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body.
Egestion is the discharge or expulsion of undigested material (food) from a cell in case of unicellular organisms, and from the digestive tract via the anus in case of multicellular organisms.
Roughage is the indigestible portion of food derived from plants.
Cellulose is a type of polysaccharide plant fiber. Polysaccharide fiber is a carbohydrate composed of linked sugar molecules, however, humans lack the enzyme necessary to break cellulose down into component sugars, allowing your body to absorb it.
Body mass index is a measure for indicating nutritional status in adults.
Absorption . The nutrients absorbed here are transferred to the blood stream and liver
Diffusion is the movement of a fluid from an area of higher concentration to an area of lower concentration
Villi any of numerous minute elongated projections set closely together on a surface, typically increasing its surface area for the absorption of substances, in particular
Constipation a high level of constraint or restriction; a pronounced lack of ease.
Macromolecules a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
Bulimia an eating disorder in which a large quantity of food is consumed in a short period of time, often followed by feelings of guilt or shame.
Anorexia a lack or loss of appetite for food (as a medical condition).
Created by: 1009735