Can you help me with my science project?

i have to do a cell brochure. i have to think of a tourist attraction and relate things at the tourist attraction to different organelles in the cell.i already have endoplasmic reticulum, cell membrane, chromosomes, and nucleus. i still need like 13 more organelles to go though. i chose the tourist attraction to be a Bio-Dome cuz i thought it would be easy. pleeeeeeeeeaaaaaaaaaaaaseeeeeee… help. its worth 5 grades and i have a really low C in that cl =(