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41 Cards in this Set
- Front
- Back
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What is the unit that measures energy?
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calorie
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Does fruit, fish or oil contain the most carbohydrates?
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fruit
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Even though your body can't digest it, what carbohydrate helps your digestive system function.
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fiber
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what nutrients are made up of amino acids?
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proteins
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What nutrients are originally absorbed by plants from soil?
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minerals
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During a period of emergency what nutrient should you choose first?
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water
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The human body needs ____ ___ of water per day?
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2 Liters
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Your best diet for preventing heart disease and other problems includes small amounts of what?
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fats and sugars
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Is the digestive system function in preventing diseases?
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NO
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What substance in the mouth contains an enzyme that begins chemical digestion?
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Saliva
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What process involves muscle contractuion that move food through the esophagus?
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peristalsis
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What substance must be present in the stomach for pepsin to work best?
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hydrochloric acid
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Where does most chemical digestion take place?
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small intestines
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Where is bile produced ?
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lIVER
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What allows the small intestine to absorb large amounts of nutrients
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VILLI
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iT IS SUPPLIED TO THE HUMAN BODYBY BACTERIA THAT LIVE IN THE LARGE INTESTINE?
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vitamin K
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Where does digestion begin?
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In the mouth
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The most important nutrient is what?
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water
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What does PERITALSIS do?
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It is waves of muscles that push food through the esophagus to the stomach by waves of muscle contraction
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Where is water absorbed?
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through the large intestines
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Enzymes are proteins that help in particular type of digestion called ??
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CHEMICAL DIGESTION
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Chemical digestion in stomach is helped along by a strong acid called??
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HYDROCHLORIC
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What thick, slippery substance lines the esophagus and stomach?
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mucus
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Which important part of the body's cells is made by the liver in the form of a fatlike substance?
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cholesterol
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How is the energy in food measured?
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CALORIES
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Because they contain all the essential amino acids, proteins from animals souces are called ____ proteins.
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COMPLETE
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Why do people need to drink extra water on hot days?
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to replace the sweat they loose from skin in the heat
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What part of your body works to prevent food from entering your windpipe?
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EPIGLOTTIS
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Which part of the body stores bile and releases it through a tube into the small intestines?
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GALLBLADDER
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Nurtient molecules pass from the small intestine into the bloodstream through tiny sturctures called what?
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VILLI
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What are some the nutrients that are needed?
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fats, minerals, water
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Labels list ingrediants according to _____.
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weight
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Name 6 nutrients for human health.
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carbohydrates, fats, proteins, vitamins minerals and water.
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One calorie is the amount of energy needed to do what?
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raise the temperature of one gram of water by one Clesius degree
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What are carborhydrates composed of?
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carbon, oxygen and hydrogen
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Fiber is a _____ _______.
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complex carbohydrate
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Where is cholesterol found?
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only in animal products
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Scurvy is caused by what?
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lack of vitamin C
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What does the % Daily Value tell you on the label?
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how nutritional content of one surving fits into the diet of a person who consumes 2,000 calories per day.
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What are the three main functions of the digestive system>
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1) breaks down food into molecules
2) Molecules are absorbed in the blood 3) Wastes are eliminated |
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The process where nutrients pass through the wall of your digestive system into your blood.
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absorption
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