1. Medical Biology Nutrition 2016-2017

2. 6 Basic Nutrients Proteins
Essential for growth and repair of tissue
Also needed to produce the bodies enzymes, antibodies and hormones
Proteins are broken down into amino acids and then the amino acids are used to build your own proteins

3. 6 Basic Nutrients Carbohydrates
Sugars and Starches
Energy in the form of glycogen
15-20 minutes worth of aerobic activity
Fiber in carbs aids in digestion and helps lower cholesterol

4. 6 Basic Nutrients Fats Stored energy
Used when aerobic activity exceeds minutes
Some are chemical messengers
Bad Fats vs Good Fats
Animal fats (meat,butter,milk) – associated with cardiovascular disease, cancer, and diabetes
Plant fats (corn oil, canola oil, olive oil) – unsaturated and healthier
Fats are essential yet should be consumed in moderation

5. 6 Basic Nutrients Vitamins
Nutrients needed by the body that help regulate bodily functions
Vitamin A- healthy eyesight and immune system
Vitamin C-immune system
B vitamins- burn energy & nervous system
D vitamins- help calcium and phosphorus be absorbed

6. 6 Basic Nutrients Minerals
Elements that help form structures in the body and regulate body processes
Calcium, Phosphorus, and Magnesium- strengthens bones
Iron- essential in oxygen transport
Sodium and Potassium- vital in controlling blood volume
Zinc & Iodine- metabolism (helps control rate that energy is used)

7. 6 Basic Nutrients Water 60-70% of bodies weight
Temperature control through sweating
Cytoplasm approx 97% water
Transport of nutrients and wastes (key component of blood
Important component of muscles

8. Dehydration 16 ounces 2 hrs before exercise
4-8 ounces 10 minutes before exercise
4-8 ounces every 20 minutes during exercise
32 ounces for every 1,000 calories expended
16 ounces for every pound of weight lost after exercise

9. The Food Pyramid

10. Caloric Intake How many calories should I be taking in every day
very sedentary women and inactive older adults
children, teenage girls, moderately active women, and sedentary men
2,800- active teenage girls, teenage boys, active men, and very active women
3,500- active teenage boys, active men, and extremely active women

11. Caloric Intake 55-65% from carbs 15-20% from protein 25-30% from fats
Growing teenage athletes need 25+%
25-30% from fats
Many peoples diets are 40-50% fat calories
Junk foods, meat, dairy products contribute