Cell Structure & Function
📋 What it is
All living things are made of cells; each part (organelle) has a job, like rooms in a tiny factory.
🗣️ Coach says
Zoom in on any living thing and you hit cells — the smallest unit of life. Each cell is a busy little factory: the nucleus is the control room, mitochondria make energy, and the membrane is the door that decides what gets in and out. Part by part, each has a job.
🧠 Memory hook
Cell = tiny factory. Nucleus = boss, mitochondria = power plant, membrane = doorway.
😂 Giggle
Why did the cell go to the doctor?
Because it wasn't feeling well — it had a bad membrane!
😲 Whoa!
Your body has about 37 trillion cells — if you counted one per second, it would take over a MILLION years.
✅ Quick check: Which cell part is the “control centre” that holds the instructions?
Say your answer out loud first — then reveal.
The nucleus — it holds the DNA (the instructions) and directs what the cell does.
The nucleus stores genetic material and coordinates cell activity.
🧪 Try it! (2 minutes)
Draw a cell as a factory: label the nucleus “office”, mitochondria “power plant”, membrane “front door”.