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nutrition words
vocabulary
Term | Definition |
---|---|
calorie; | measure of energy released from digesting food; one calorie equals one kilocalorie of heat. |
Chemosynthesis; | process by which ATP is synthesized by using chemicals as an energy spource instead of light. |
Energy; | makes life functions. |
Ingestion; | taking in food from the environment, is not directly useful to the cell and it must be change. |
Absorption; | process by which nutrients move out of one system and into another. |
Bulimia; | overeating followed by induce vomiting. |
Anorexia; | nervosa- self starvation due to the fear of weight gain. |
Digestion; | process by which large,complex molecules are broken down into smaller molecules that can be used by cells. |
Peristalsis; | muscular contraction |
Cellulose | polysaccharide consisting of chains of glucose monomers |
Capillary; | tiny blood vessel that transports blood between larger blood vessels and other tissues in the body. |
Villi; | small figerlike projection in thew small instestine that absorbs nutrients. |
Roughage; | indigestable fiber, containing cellulose. |
Egestion; | release of indegestable food( feca-material) from the large intestine after water and vitamin K have been absorbed. |
Chyme; | partially digested, semi-liquid mixture that passes from the stomach to the small intestine. |
Constipation; | Dry and hard feca-material |
Body mass index | it helps us determine if a person is overweight, healthy or needs to eat more. |
Autotroph; | organism that obtains its energy from abiotic sources such as sunlight or inorganic chemicals. |
Emulsification; | breaksdown fat in the small intestine. |
Heterotroph; | organisms that obtain its energy and nutrients by consuming other organism. |