With Explanation . : Nutrients in the Body 1. Which macronutrient is the body's primary source of energy? 2. Which vitamin is essential for blood clotting? 3. Which mineral helps maintain strong bones and teeth along with calcium? 4. What nutrient is critical for transporting oxygen in the blood? 5. Which vitamin is synthesized when skin is exposed to sunlight? 6. What type of fat is considered "heart-healthy"? 7. Which mineral is important for proper thyroid function? 8. Which vitamin is most associated with improving vision in low light? 9. Which vitamin is a powerful antioxidant and supports immune health? 10. What are the three main macronutrients? 11. What type of carbohydrate cannot be digested by humans but aids digestion? 12. Which essential fatty acid is found in flaxseed and oily fish? 13. What mineral is needed in the greatest amount by the body? 14. What is the primary function of protein in the body? 15. Which vitamin helps the body absorb iron from plant-based foods? 16. What is the term for the process by which the body breaks down food into usable parts? 17. What vitamin is most associated with preventing scurvy? 18. Which mineral is crucial for muscle contraction and nerve transmission? 19. Which vitamin helps in red blood cell formation and is important during pregnancy? 20. Which mineral helps regulate fluid balance and blood pressure? 21. Which nutrient builds and repairs tissues, including muscles? 22. What is the storage form of glucose in the human body? 23. Which fat-soluble vitamin is important for bone health and calcium absorption? 24. Which nutrient category includes starches and sugars? 25. What mineral deficiency is commonly linked with anemia? 26. Which vitamin helps prevent birth defects of the brain and spine? 27. Which mineral is essential for wound healing and immune function? 28. What is the most abundant substance in the human body after water? 29. Which type of vitamin (fat- or water-soluble) needs to be consumed more regularly? 30. Which vitamin deficiency is linked to night blindness