Right now, inside every cell of your body, glucose molecules are being dismantled to release energy — energy that powers every heartbeat, every thought, every movement. 🔥 This is respiration — not breathing, but the chemical process of extracting energy from food. When oxygen is available, it's aerobic and highly efficient. When oxygen runs out during intense exercise, your muscles switch to anaerobic mode — and the burning sensation you feel is lactic acid accumulating. Avinto will walk you through every stage of Subtopic 6.4: Respiration in Mammals. ⚡ Type START to ignite your understanding!
16/05/2026, 14:26:02
