Experience the virtual environment of inside the cell, busy with all the activities of cell organelles.
Use the red 'Hot spot' icon to navigate to position of the hot spot.
Activate the 'Headphone' icon in any part of the cell to listen to the narration related to that part of cell.
Activate the 'Flag' icon to play the activity around that part of the cell.
Optionally, you can toggle the narration subtitle text on and off.