Nutrients Flashcards
What are the three classes of nutrients that provide the body with energy?
Carbohydrates, proteins and fats.
What are nutrients?
Substances that the body requires to regulate bodily functions, promote growth, and repair body tissues and obtain energy.
What are the classes of nutrients?
There are six:
Carbohydrates Fats Proteins Vitamins Minerals Water
Beef, Pork, and Chicken provide most of what nutrient?
Protein
What is metabolism?
Metabolism is the chemical process by which your body breaks down foods to release energy.
What is the amount of energy released when food is broken down called?
Calories
More calories means…
…more energy.
How should the number of calories you eat match the number of calories you use.
You should eat the same number of calories as you use.
When planning meals, you should consider the _________ content of meals as well as the nutrients.
Calorie
What are carbohydrates?
Nutrients made of carbon, hydrogen, and oxygen.
What are the types of carbohydrates?
Simple and complex
What are simple carbohydrates
Sugars
What are complex carbohydrates?
Starches, which are chains of simple carbohydrates.
Where do you find simple carbohydrates?
Fruits, vegetables, and milk.
What is the most important sugar?
Glucose, because it is the major provider of energy for your body cells.
What are all sugars converted to in your body?
Glucose
What kind of carbohydrate is starch?
Complex
What is fiber?
A type of complex carbohydrate found in plants.
Why is fiber not considered a nutrient?
It can’t be broken down and absorbed into the bloodstream.
What helps prevent constipation?
A high fiber diet.
What does a high fiber diet do for you?
Prevent colon cancer, heart disease, and constipation.
How much of your diet should be carboydrates?
45-65%
What should be 45-65% of your diet?
Carbohydrates
Should you eat more simple or complex carbs? Why?
More complex. They provide sustained energy.
What are fats made of?
Carbon, hydrogen, and oxygen, just like carbohydrates, but in different proportions.
What do fats do?
Provide energy, protect nerves, supply energy, and form cells.
What are the different kinds of fats?
Unsaturated, saturated
What are unsaturated fats?
Fats which have at least one place a hydrogen atom can be added.
What are saturated fats?
Saturated fats have all the hydrogen atmos the carbon atoms can hold.
Examples of saturated fats?
Lard, dairy products
Are saturated fats usually solid or liquid at room temperature?
Usually solid
How much of your diet should be fats?
20-35%
What are trans fats?
Made when manufacturers add hydrogen atoms to the fats in vegetable oils.
What is cholesterol?
A waxy, fat like substance found only in animal products
What does a diet high in fat and cholesterol cause?
High blood pressure, plaque build up, depriving the heart of oxygen, leading to a heart attack.
What are proteins?
Nutrients that contain nitrogen as well as carbon, hydrogen, and oxygen. A source of energy, but most important for growth and repair of body tissues.