biology

• Cell Organelles and Their Functions

  Click any organelle on a labeled cell to see its one-line job, then flip to a name-that-job quiz that scores you. Covers the nucleus, mitochondria, ER, Golgi, ribosomes, and the plant-only parts.

• Diffusion and Osmosis (Interactive Cell Transport)

  Diffusion, osmosis, facilitated diffusion and active transport compared side by side, with a live membrane that pulls water to the saltier side, spreads solute out, and spends ATP on a pump.

• Interactive Animal Cell

  Click or tab through a labeled animal cell to explore the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, ribosomes, lysosome, vacuole, and more, each with its job explained.

• Interactive Plant Cell (Plant vs Animal Cell)

  Toggle one cell between plant and animal to watch the cell wall, chloroplasts, and large central vacuole appear while the shared parts stay. Includes a turgor slider and a live plant-vs-animal Venn.