NGSS.MS-LS1-7

Which part uses saliva to help break down your food?

• teeth
• mouth
• esophagus
• large intestine

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NGSS.MS-LS1-7

What is the main function of the digestive system?

• A. to remove wastes found in the blood

• B. to break down food so that it can be used by the body

• C. to transport important nutrients to all parts of the body

• D. to communicate signals between distant parts of the body

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NGSS.MS-LS1-7

The process by which the body breaks down food so that it can be used for energy.

• composition
• digestion
• deposition
• absorption

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NGSS.MS-LS1-7

The amount of energy available in food.

• calories
• nutrients
• kilograms
• minerals

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NGSS.MS-LS1-7

__________ are necessary because they provide energy and help your body absorb vitamins.

• fats
• carbohydrates
• proteins
• minerals

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NGSS.MS-LS1-7

The digestive system converts food into usable

• nutrients

• muscles

• energy

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NGSS.MS-LS1-7

Cellular Respiration is

• when cells inhale oxygen and exhale CO2

• when cells use oxygen and nutrients to make all the energy your body needs (CO2 and wastes are created).

• when cells use CO2 and nutrients to make all the energy your body needs (Oxygen and wastes are created).

• breathing

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NGSS.MS-LS1-7

Which nutrient is the number one energy source for the body?

• Grains

• Vegetables

• Glucose

• Vitamins

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NGSS.MS-LS1-7

the body's use of molecules for energy and growth

• system

• starch

• metabolism

• protein

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NGSS.MS-LS1-7

process that uses oxygen to break down glucose to release energy

• Cellular Respiration

• Photosynthesis

• Chemical energy

• Radiant Energy

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NGSS.MS-LS1-7