Digestive System

During a nutrition class, Evelyn was asked: What are the five groups of nutrients?

• Proteins, Carbohydrates, Fats, Vitamins, Minerals

• Proteins, Sugars, Oils, Water, Fiber

• Carbohydrates, Sugars, Fats, Water, Fiber

• Vitamins, Minerals, Sugars, Oils, Water

Which part of the digestive system stores waste before it is excreted?

• Stomach

• Small intestine

• Large intestine

• Esophagus

During science class, Maya asked, "What is the role of carbohydrates in the body?"

• To build muscles

• To provide energy

• To improve vision

• To strengthen bones

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What is a key mineral found in foods that is needed for healthy bones?

• Sodium

• Potassium

• Calcium

• Phosphorus

(a)   helps in energy production.

• Carbohydrates
• Minerals
• Proteins
• Vitamins

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NGSS.MS-LS1-7

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True or False: Fats are part of a healthy diet.

• True

• False

What is the first step in the digestive process?

• Absorbing nutrients

• Breaking down food

• Circulating blood

• Producing energy

What is the function of digestion in terms of energy?

• To store energy

• To change food into energy the body can use

• To waste energy

• To create energy from sunlight

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NGSS.MS-LS1-7

The digestive tract is approximately (a)   long.

• 5 meters (16 feet)
• 7 meters (23 feet)
• 9 meters (30 feet)
• 11 meters (36 feet)

What is the main function of the esophagus in the digestive system?

• Absorb nutrients

• Break down food

• Transport food to the stomach

• Store waste