Food Energy and Healthy Eating HB Ch apter
Food, Energy and Healthy Eating (HB Ch apter 3 ) Lesson s 1 and 2
Major source of energy and made of carbon, oxygen, hydrogen and provides raw materials. carbo hydr ate
Guidelines that show the amounts of nutrients humans need every day. Dietary Ref erence Inta k es
Nutrients that contain nitrogen as well as carbon, oxygen, and hydrogen your body needs for growth and tissue repair. prote in
The amount of energy needed to raise the temperature of 1 gram of water by 1 Celsius. calor ie
One of 20 kinds of organic compounds that are linked chemically to one another, forming proteins. amin o aci d
Nutrients that are not made by living things needed in small amounts to carry out chemical processes. mine ra l
Sugar that is a major source of energy for your body’s cells. gluco se
Shows how the nutrients in one serving fit into a diet of 2, 000 Calories a day. Perce nt Da ily Va lue
Substances in food that provide the raw materials and energy the body needs to carry out its essential processes. nutri ent
Helper molecules in your body’s chemical reactions. vitam ins
Energy-containing nutrients composed of carbon, oxygen, and hydrogen that protect your organs and insulates your body. fats
Food, Energy and Healthy Eating (HB Ch apter 3 ) Lesson s 3 and 4
Substance that breaks up fat particles. bile
Triangular organ located between the stomach and the first part of the small intestine that helps break down carbohydrates, proteins, and fats. pancreas
Last section of the digestive system. large intes tine
Millions of finger-shaped structures folded into the inner surface of the small intestine. villi
Does many jobs in the body such as making bile for the digestive system (largest organ in the body). liver
Where waste material is compressed into solid form. rectu m
Where bile is stored. gallb ladde r
A muscular opening at the end of the rectum. anus
Part of the digestive system where most chemical digestion takes place. s mal l inte stine
Fluid released by salivary glands when you eat. saliva
A thick, slippery substance produced by the body that lines the esophagus. mucu s
Flap of tissue that seals off your windpipe and prevents food from entering the lungs as you swallow. epigl ottis
J-shaped muscular pouch in the abdomen. stom a ch
Process by which your body breaks down food into small nutrient molecules. diges tion
Muscular tube that connects the mouth to the stomach. esop hagu s
Waves of involuntary muscle contractions that push food toward the stomach. peris talsis
Process by which nutrient molecules pass through the wall of your digestive system into your blood. abso rptio n
Protein that speeds up chemical reactions in the body. enzy me
STUDY!
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