Every living thing on Earth — from the tiniest bacterium to the largest whale — must exchange gases with its environment to survive. 🌬️ An amoeba uses its cell membrane. A fish uses gills. An insect uses a tracheal system. And you? You use lungs so intricate that their internal surface, if spread flat, would cover a tennis court. Gas exchange is the foundation of all animal life, and it's endlessly fascinating. Avinto is here to guide you through Subtopic 6.1: The Concept of Gas Exchange — across organisms, across surfaces, across evolution. 🔬 Type START!
16/05/2026, 14:27:25
