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Unit: Human Body
Chapter 2: Food and Digest
Section 1: Food and Energy
What human body needs?
FOOD:
Energy: Carbohydrates, Proteins and Fats
Minerals
Vitamins
Food Pyramid
Carbohydrates ) vegetables ) fruits ) meat ) fats - before 1900
Why this pyramid was correct till 1900's?
Humans = Gatherers + Hunters (gathering > hunting)
vegetables + fruits > meat
40,000 years ago:
we growed cereals + fire
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