MACRONUTRIENTS: proteins, carbohydrates, fats, metabolism, energy, nutrition science reading comprehension passages. What fuels every heartbeat, movement, and thought? This study of macronutrients explores how proteins, carbohydrates, and fats work together to power the body. It’s a scientific look at the nutrients that build, repair, and sustain life. This digital resource features Read Aloud Audio, Self-Marking Multiple Choice Questions, Critical Thinking Challenges, Open-Ended Questions, and