{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 night @ 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