⚡📏 Energy (Calories) & Measurement of Body Mass Index (BMI) 📘 Important for GNM/BSc Nursing, NHM, AIIMS, NORCET, GPSC & Community Health Nursing Exams 🔰 Part 1: Energy (Calories) ✅ Definition of Energy: ✅ Unit of Measurement: ✅ Energy Yield of Nutrients: Nutrient Energy Provided per Gram Carbohydrates 4 kcal Proteins 4 kcal Fats 9 kcal Alcohol 7 kcal ✅ Daily Energy Requirements: Age/Group Average Requirement (kcal/day) Adult Male 2400–3000