{ Nutrition

 List the 3 macronutrients and where they are mainly digested  What is their function? Do Now

 Carbs – Begin to be digested in mouth/saliva  Energy  Protein – Mainly absorbed in stomach  Rebuild muscle / energy  Fat – Broken down by bile in SI  Energy Do Now

 Introductory paragraphs Homework

 Complete Google quiz by Friday Midnight Homework

 What is a Calorie?  The ability to raise 1g of water by 1 degree C  Energy Calorie

 Carbs – 4 calories per gram  Protein – 4 calories per gram  Fat – 9 calories per gram Calories

 Body’s most efficient source of energy  Sugars  Starches  Fiber Carbohydrates

 Account for the structural component of the body  Growth, maintenance and repair of tissues Protein

 The most concentrated form of energy (9 Calories/gram)  However, intake of fatty acids are too high contributing to obesity Fats

 Vitamins  Essential v. Non-essential?  Minerals  Water  All are necessary for regulating body functions  They do NOT provide energy Micronutrients

 Needed in small amounts relative to carbs, fats, proteins and water  Includes antioxidants  Protect cells from destructive agents such as oxygen  May prevent premature aging, certain cancers and heart disease  Found in berries, beans and artichokes Vitamins

Vitamins

 Rough Draft Due Monday (Enjoy Prom!)  Label worksheet due tomorrow (should be plenty of time in class to get it done today) Homework