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G7 ch7.1 transport and defense

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Page 3: G7 ch7.1   transport and defense

Digestive System

• Org

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Excretory System

• Lungs

• Skin

• Liver

• Kidneys

• Rectum

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Nutrition Value

• A calorie is the amount of energy it takes to raise the temperature of 1 kg of water by 1 degree Celsius

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