🚀 Fast Fact: Ever spilled perfume in a room and noticed how its scent spreads? That's diffusion in action!

• 🕺 Diffusion is like a dance where particles in liquids and gases shuffle around.
• 🌬️ It's all about particles moving from a crowded area (high concentration) to a less crowded area (low concentration).
• Why? Particles are like teens at a party: they can't stay still! They're always moving randomly.

🏆 The Big Idea: More particles move from high to low concentration than the other way around. So, there's a net movement from the high to the low concentration zone. This is like fans moving from a packed concert section to a less crowded one.

💡 Fun Analogy: Imagine a slide in a playground. Particles love sliding down from a high point (high concentration) to a low point (low concentration). That's the concentration gradient!

🐰 The Energy Bunny: Diffusion doesn't need an energy boost. It's a passive process. It's like rolling downhill without pedaling on a bike.

• Cell membranes are like guarded gates. Not everyone can pass through.
• It’s made of a phospholipid bilayer.
• Think of this bilayer like a bouncer at a club. It only lets certain folks (particles) in.