Health FINAL EXAM!!! Flashcards
The chemical process by which your body breaks down food to release energy
Metabolism
Substances that the body needs to regulate bodily functions, promote growth, repair body tissue, and obtain energy
Nutrients
The amount of energy released when nutrients are broken down is measured in this unit
Calories
Nutrients made of carbon, hydrogen, and oxygen
Supply energy for your body’s functions
Carbohydrates
Type of complex carbohydrate that is found in plants and is necessary for the proper functioning of the digestive system
Fiber
Nutrient made of carbon, hydrogen, and oxygen
Supply your body with energy, form your cells, maintain body temperature, and protect your nerves
Fats
Have at least one unsaturated bond in a place where hydrogen can be added to the molecule
Found in vegetable oils, nuts, and seeds
Unsaturated fats
Fats that have all the hydrogen the carbon atoms can hold
Animal fats such as lard and dairy products that can cause heart disease
Saturated fats
A waxy, fatlike substance that is found only in animal products
May cause plaque to buildup and block blood flow leading to the heart
Cholesterol
Made when manufacturers add hydrogen to the fat molecules in vegetable oils to keep foods fresher longer
Trans fat
Serves as a source of energy, most importantly assist in the growth and repair of body tissues
Proteins
Small units that are bound together chemically to form proteins
Amino acids
What are the 6 classes of nutrients
Carbohydrates Fats Proteins Vitamins Minerals Water
Which 3 nutrients supply your body with energy
Carbohydrates
Fats
Proteins
What are simple carbohydrates
Also known as simple sugars or fast carbs
The body breaks them down faster and may give you short bursts of energy
What are 3 examples of simple carbohydrates
Fruits
Vegetables
Milk
What are complex carbohydrates
Sugars that are linked together also known as complex sugars or slow carbs
They body breaks them down slower giving you longer lasting energy
What are 3 examples of complex carbohydrates
Rice Cereal Wheat Potatoes Pasta
Why might a high fiber diet be healthful
Helps prevent constipation, may reduce risk of colon cancer, may help prevent heart disease
What are some examples of foods that will provide a good source of fiber
Whole-grain breads/cereals Vegetables Fruits Nuts Beans Seeds
Why might complex carbohydrates be better for you than simple carbohydrates
The excess carbohydrates are stored as fat if all your body’s glycogen (filled up by simple carbohydrates) are full
What are the 2 types of unsaturated fats
Why are they important
Monounsaturated
Polyunsaturated
A nutrient that is made by living things, is required in small amounts, and assists in chemical reactions in the body
Vitamin
A vitamin that helps protect heathy cells from the damage caused by the normal aging process as well as from certain types of cancer
Antioxidant
A nutrient that occurs naturally in rocks or soil
Needed by the body in small amounts
Mineral