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Chpt.2 Sect.1 Food/Energy

this is the bold notes and the key terms
STUDY
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Nutrients
the substances in food that provide the raw materials and energy te body needs to carry out all its essential processes
Calorie
amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius
Carbohydrate
the nutrients which are composed of carbon, oxygen, and hydrogen & are a major source of energy
Provide the raw materials to make cell parts
Glucose
a sugar that is the major source of energy for the body's cells
Most foods don't contain large amounts of glucose so body converts other sugar into glucose
Fats
Oxygen containing nutrients that are composed of hydrogen, oxygen, and carbon
Form part of the cell membrane & fatty tissue protects and supports your internal organs and insulates your body
Protein
Nutrients that contain nitrogen as well as carbon, hydrogen, and oxygen

Are needed for tissue growth and repair & play an important role in chemical reaction within
Amino Acid
Proteins made into a small unit which are linked together to form large protein molecules
Vitamin
Acts as helpers molecules in variety of chemical reactions in the body
Are needed in body in small amounts to carry out chemical processes
Mineral
Nutrients that aren't made by living things
Are needed in body in small amounts to carry out chemical processes
Water
the most important nutrient because the body's vital processes-including chemical reactions such as the breakdown of nutrients-take place in water
Why you need food
It provides your body with materials for growing and for repairing tissue
It also provides energy for everything you do