The document provides an overview of the major organelles found within cells, including the cell membrane, ribosomes, cell wall, cytoplasm, chloroplasts, vacuole, lysosomes, nucleus, endoplasmic reticulum, mitochondria, Golgi body, centrioles, and chromosomes. It describes the basic functions of each organelle such as the cell membrane allowing materials in and out of the cell, chloroplasts making food from sunlight through photosynthesis, and the nucleus containing the DNA that controls the cell.