🧬 METABOLISM & BODY

🔥 Calories Are Your Body’s Fuel

Every bite you take fuels your body, sharpens your mind, and keeps you alive

👉 Your needs depend on age, sex, weight, and activity

🍗 Protein – Builds and preserves muscle, especially while dieting

🍞 Carbs – Provide quick energy, focus, and peak performance

🥑 Fats – Support hormones, protect organs, and keep you full longer


⚡ Basal Metabolic Rate (BMR)

🛌 Calories burned at rest, keeping you alive 24/7

🧠 Fuels vital functions: heart, brain, lungs, nervous system

🧊 No activity needed → this is your minimum daily energy

Formula

BMR + Movement + Digestion + Training = Total Daily Calories (TDEE)


💡 Why It Matters

😊 Fuels your vital organs

🍽️ Helps you eat the right amount

💪 Prevents muscle loss

🔥 Enables smart fat burning