The document summarizes the main organelles found in cells, including the nucleus which controls the cell, nucleolus which creates RNA, ribosomes which create protein, endoplasmic reticulum which transports protein, Golgi body which packages protein, mitochondria which converts food to energy, vacuoles which store water and enzymes, lysosomes which clean and digest old cell parts, cell wall which protects and supports plant cells, and cell membrane which acts as a barrier between the inside and outside of cells.