NUTRITION “YOU ARE WHAT YOU EAT.” NUTRITION: THE PROCESS BY WHICH THE _____________ ___________________. WHY DO WE EAT? NUTRIENTS: SUBSTANCES IN FOOD THAT YOUR BODY NEEDS TO FUNCTION PROPERLY TO _______, TO _______________, AND TO SUPPLY YOU WITH _________. PROBLEM? • MOST PEOPLE ARE UNABLE TO DISTINGUISH BETWEEN APPETITE AND HUNGER. • HUNGER – A _________________ that protects you from starvation – When your stomach is empty, its walls contract, stimulating nerve endings. The nerve endings signal your brain that your body’s food supply needs replenishing. Once food is taken in, your stomach is stretched and the nerve endings are no longer stimulated. • APPETITE – A _______, rather than a ______, to eat – Dessert, sweet tooth, snacking, boredom CARBOHYDRATES • STARCHES/SUGARS FOUND IN FOOD. –2 TYPES:___________ and _________________ –SHOULD MAKE UP ___-___% OF YOUR DIET. ROLE OF CHO’s • BODY CONVERTS CHO’s TO ________, A SIMPLE SUGAR AND THE BODY’S CHIEF ________ SOURCE. • UNUSED GLUCOSE IS STORED IN THE LIVER AND MUSCLES AS ____________. UNDERSTAND! • WHEN PEOPLE CONSUME MORE CARBOHYDRATES THAN THEIR BODY NEEDS FOR ENERGY OR THAT THEY CAN STORE AS __________, THIS EXCESS IS STORED AS BODY FAT (_________). FIBER • TECHNICALLY A _________________. • FOUND ONLY IN _______, GRAINS AND VEGETABLES. • HELPS YOUR ___________ SYSTEM TO GET RID OF WASTE PRODUCTS. PROTEIN • NUTRIENT THAT HELPS BUILD AND MAINTAIN BODY TISSUES. • ______________: BUILDING BLOCKS OF PROTEIN. • 20 AMINO ACIDS. BODY CAN MAKE ____ AMINO ACIDS. PROTEIN (cont.) • ___________ AMINO ACIDS: 9 AMINO ACIDS THAT MUST COME FROM YOUR FOOD. • ______________ PROTEINS: - CONTAINS ALL OF THE AMINO ACIDS - ANIMAL PRODUCTS – FISH, MEAT, EGGS, POULTRY, MILK, CHEESE, YOGURT, SOYBEAN PRODUCTS FATS • Carries fat soluble vitamins. • Satisfies __________ since fats take longer to digest. • Surrounds and cushions vital ______, insulates body against heat and cold. • Provides ____ calories per gram of energy • 2 TYPES: _______________ and __________________ CHOLESTEROL • WAXY SUBSTANCE PRODUCED IN THE ________ OF ALL ANIMALS AND IS FOUND ONLY IN ANIMALS. • GOOD (____) AND BAD (_____) CHOLESTEROL. LDL CHOLESTEROL CLOGS ARTERIES. VITAMINS COMPOUND THAT HELPS REGULATE MANY VITAL BODY PROCESSES SUCH AS ___________, ABSORPTION, AND _______________ OF OTHER NUTRIENTS. 2 GROUPS OF VITAMINS • _________ -SOLUBLE: VITAMIN C AND 8 VITAMIN B COMPLEX VITAMINS. • CANNOT BE STORED IN THE BODY. • FAT-SOLUBLE: • ABSORBED AND TRANSPORTED BY _______. • VITAMINS ___________. MINERALS • ______________ SUBSTANCES THAT YOUR BODY CANNOT MANUFACTURE BUT THAT ACTS AS A __________, REGULATING MANY VITAL DAILY PROCESSES. ELECTROLYTES • ____________,CHLORIDE AND POTASSIUM BELONG TO THIS GROUP OF MINERALS. • HELP MAINTAIN THE BALANCE OF __________ WITHIN BODY CELLS. • BANANAS-ORANGE JUICE EXCELLENT SOURCES OF __________________. WATER • IF YOU PERSPIRE FROM HOT WEATHER, FEVER OR STRENUOUS EXERCISE, THIS WATER MUST BE REPLACED. • FEMALES _____, 8 OZ. CUPS OF WATER DAILY. • MALES ______, 8 OZ. CUPS OF WATER DAILY. • ON THE AVERAGE FRUITS, MILK PRODUCTS AND VEGETABLES CONTAIN ABOUT _______% WATER. DIETARY GUIDELINES • ______________________ ______________________– amounts of nutrients that will prevent deficiencies and excesses in most healthy people FOOD LABELS