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voc words 1/8/18

necesito aprender esta weba :v

TermDefinition
Autotroph an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Heterotroph an organism deriving its nutritional requirements from complex organic substances.
Chemoautotroph an organism, typically a bacterium, that derives energy from the oxidation of inorganic compounds.
Photoautotroph any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon
Calories either of two units of heat energy.
Energy the strength and vitality required for sustained physical or mental activity
Ingestion the process of taking food, drink, or another substance into the body by swallowing or absorbing it.
Digestion the process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by 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 fibrous indigestible material in vegetable foodstuffs that aids the passage of food and waste products through the gut.
Cellulose an insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton. It is a polysaccharide consisting of chains of glucose monomers.
Body mass index a weight-to-height ratio, calculated by dividing one's weight in kilograms by the square of one's height in meters and used as an indicator of obesity and underweight.
Absorption the process or action by which one thing absorbs or is absorbed by another.
Diffusion the spreading of something more widely.
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 condition in which there is difficulty in emptying the bowels, usually associated with hardened feces.
Enzyme a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
Macromolecules a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
Bulimia an emotional disorder involving distortion of body image and an obsessive desire to lose weight, in which bouts of extreme overeating are followed by depression and self-induced vomiting, purging, or fasting.
Anorexia a lack or loss of appetite for food (as a medical condition).
Created by: Stephanie_14