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nutrition vocab word
Term | Definition |
---|---|
Calories | is the measurement of energy in food |
Chemosynthesis | process by which ATP is synthesized by using chemicals as an energy source instead of light. |
Energy | strength for physical and mental activity |
Ingestion | taking in of food from the environment. Is not directly useful to the cells and must be changed. |
Absorption | process by which nutrients move out of one system and into another. |
Bulimia | eating disorder |
Anorexia | a lack or loss of appetite for food due to the desire to lose weight |
Digestion | breaks down food into simpler form that can be used by organisms |
Peristalsis | the involuntary constriction and relaxation of the muscles of the intestine |
Cellulose | substance that is mainly in the plant cell wall |
Capillary | fine branching blood vessels that form a network between the arterioles and venules |
Villi | finger like projections in the small intestine that absorbs the nutrients |
Roughage | passage of food and waste products through the gut |
Egestion | releases of indigestible food from the large intestine after water and vitamin have been reabsorbed |
Chyme | partially digested,semi liquid mixture that passes from the stomach to the small intestine |
Constipation | when poop is hard and dry because of the lack of water |
Body mass index | weight to height ratio |
Autotroph | are capable of making their own food from inorganic molecules |
Emulsification | a mixture of two or more liquids |
Heterotroph | must obtain food from the environment |