Explore the cell

Cells are the basic unit of life. This mini course covers what’s inside a cell, how cells get energy, and a quiz to test yourself. Aimed at high school Biology.

What’s inside

🧫 Organelles

Click parts of a cell diagram and learn what each one does.

⚡ Energy

Step through photosynthesis and cellular respiration.

🃏 Flashcards

Flip, shuffle and review key vocabulary.

📝 Quiz

8 questions with instant feedback and a score.

Quick facts
  • Most cells are too small to see without a microscope.
  • Prokaryotes (like bacteria) have no nucleus; eukaryotes (plants, animals, fungi) do.
  • Your body has trillions of cells.

Organelles

Tap a part of the diagram or choose from the buttons.

Cell energy

Compare: photosynthesis stores energy in glucose; respiration releases it as ATP. The products of one are the reactants of the other.

Flashcards

Tap the card to flip it.

Quiz