Why you need food?
1. It provides your body with materials for growing and for repairing tissue
2. It also provides energy for everything you do
The substances in food that provide the raw materials and energy the body needs to carry out all its essential (necessary) processes.
a unit of the energy supplied by food; equal to 1000 calories
Types of carbohydrates
Simple Carbohydrates, Complex Carbohydrates
What are carbohydrates and fats composed of:
carbon, oxygen, hydrogen
Long chains of sugar units linked together to form starch or fiber
Functions of fats
provide energy, form part of the cell membrane, support internal organs, insulates your body.
are usually liquid at room temperature
solid at room temperature
is a waxy, fatlike substance found only in animals
nutrients that help build and maintain body cells and tissues, contains carbon, hydrogen, oxygen, and nitrogen. They are a source of energy. needed by tissue for repair and growth. made up of 20 amino acids.
small units that are linked together chemically to form large protein molecules
Are needed in very small amounts and help living things use the other nutrients properly; act as helpers in the body
What are the 6 major categories of nutrients necessary for health?
carbohydrates, fats, vitamins, minerals, proteins, water
What are some examples of simple carbohydrates?
sugar, brownies, watermelon
What are some examples of complex carbohydrates?
bread, pasta, yellow corn
What are some examples of complete proteins?
fish, meat, chicken
What are some examples of incomplete proteins?
bean, grain, nuts
What are some examples of food that contain saturated fats?
What are some examples of unsaturated fats?
olive oil, vegetable oil margarine
Which type of fats are healthier?
4 important minerals
iron, sodium, calcium, iodine
a disease in which the body's ability to use blood sugar is impaired
fat soluble vitamins
vitamins that are not soluble in water but are soluble in fat; these include vitamins A, D, E, and K
water soluble vitamins
vitamin that dissolve in water; the body cannot store them, so people must get a daily supply in the diet; include C and B-complex
the amount of energy needed to raise the temperature of one gram of water 1 degree Celsius
A nutrient and major source of energy made of carbon, oxygen and hydrogen. It also provides the raw materials to make cell parts.
sugar. A major source of energy for cells. A simple carbohydrate
What are the 2 types of carbohydrates?
Simple(glucose) and Complex (starch)
energy-containing nutrients composed of carbon, oxygen, hydrogen like carbohydrates, but with 2x's the energy of carbohydrates.
What are the 2 kinds of fats?
1. saturated-solid 2. unsaturated-liquid
What are the 2 types of vitamins?
1. Fat soluble (dissolve in fat) 2. Water soluble (dissolve in water)
Nutrients not made by living things (in soil like iron)
Why are vitamins and minerals important for good health?
To help carry out chemical processes.
The most important nutrient needed for body to function.