Understanding Essential Nutrients for Humans

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Questions and Answers

What is the main function of carbohydrates in the human body?

  • Maintaining healthy skin and gums
  • Aiding in tissue repair
  • Providing energy for respiration (correct)
  • Helping the body absorb calcium

Which nutrient is essential for growth and repair of tissues?

  • Fats
  • Mineral Ions
  • Vitamin C
  • Proteins (correct)

What condition may arise from a deficiency in vitamin C?

  • Weak and soft bones
  • Excessive bleeding and wounds that don't heal (correct)
  • Insulation under the skin
  • Role in blood clotting

Which food group is a rich source of vitamin D?

<p>Dairy products and fish oil (B)</p> Signup and view all the answers

What is the primary role of mineral ions like calcium in the body?

<p>Blood clotting (A)</p> Signup and view all the answers

Which nutrient serves as a long-term store of energy in the body?

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

What is the main function of iron in the body?

<p>Help carry oxygen around the body (A)</p> Signup and view all the answers

Which mineral is found in red meat and some green vegetables like spinach?

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

What is the main role of fiber in the digestive system?

<p>Aids food movement through the stomach and intestines (D)</p> Signup and view all the answers

Where does chemical digestion primarily occur in the digestive system?

<p>Small intestine (C)</p> Signup and view all the answers

Which organ plays a significant role in physical digestion in the mouth?

<p>Teeth (C)</p> Signup and view all the answers

What is the main function of bile in physical digestion?

<p>Breakdown of large fat droplets into smaller ones (D)</p> Signup and view all the answers

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