Nutrition, Digestive and Excretory Systems
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Nutrient | substances in foods that provide energy and materials for cell development, growth and repair- proteins, carbohydrates, fats, vitamins, minerals and water
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| Protein | -large molecules that contain HONC
-building blocks are amino acids
-your body uses proteins for replacement and repair of body cells and for growth
-ex. eggs, milk, cheese, meat
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| Amino Acid | building block of protein
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| Carbohydrate | -COH
-building blocks are sugars
-provides energy for all the things you do
simple carb: sugar, fruit
complex carb: starch, fiber
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| Fat (Lipids) | -COH
-building blocks are fatty acids and glycerol
-nutrients that provide and store energy
-helps your body absorb vitamins
-warmth
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| Vitamin | water or fat soluable nutrient needed in small quantities for growth, preventing disease and regulating body function
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| Mineral | inorganic nutrient that regulates many chemical reactions in the body
ex. calcium, phosphorus
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| Water | human body is 60% water and is required for survival
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| Digestion | the process that breaks down food into smaller molecules
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| Mechanical Digestion | breaking down food by chewing
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| Chemical Digestion | breaking down food using enzymes
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| Enzyme | a type of protein that speeds up chemical reactions in the body
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| Mouth | mechanical and chemical digestion begin in the mouth
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| Esophagus | tube that carries food
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| Epiglottis | a thin flap of tissue that prevents food from going down the windpipe
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| Peristalsis | waves of muscular contractions that move food through the digestive system
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| Stomach | muscular bag that is the site of mechanical and chemical digestion
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| Chyme | liquid product if digestion
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| Small Intestine | site of chemical digestion and absorption of nutrients (food) in the bloodstream
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| Villi | -tiny finger-like projections on the inner walls of the small intestines
-used for food absorption
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| Large Intestine | -absorbs any water left in food that has not been digested
-passes unused waste from the body
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| Urinary System | rids the blood of wastes produced by your cells
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| Urine | wastewater that is excreted (leaves the body)
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| Kidneys | -two bean-shaped urinary system organs
-filters blood that contains wastes collected from cells
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| Bladder | an elastic, muscular organ that holds urine until it leaves the body
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Created by:
cneeson
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