Digestion and Nutrient Absorption
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Questions and Answers

Which system is responsible for converting food into smaller molecules that cells can use?

  • Circulatory system
  • Nervous system
  • Respiratory system
  • Digestive system (correct)

What is the average amount of food a person eats every day?

  • 1.5 kilograms (correct)
  • 500 grams
  • 2 kilograms
  • 550 kilograms

What nutrients does the digestive system break down from food?

  • Calcium and iron
  • Carbohydrates, proteins, fats, and nucleic acids (correct)
  • Vitamins and minerals
  • Fiber and antioxidants

What is the primary function of the digestive system?

<p>Breaking down food into nutrients (A)</p> Signup and view all the answers

What does the digestive system enable the body to do?

<p>Produce energy (B)</p> Signup and view all the answers

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