Explain that the plant cell has many different parts. Each part has a specialized function. These parts are called organelles. Introduce the plant cell wall and membrane. Follow with a class discussion: “What do you think would happen to a plant cell if it lost its cell wall?” and “Imagine if your body could produce its own food as a plant can do. Describe what it would be like to be able to make your own food by sitting in the sun? What are some of the pros and cons?” Introduce/Discuss cytoplasm, nucleus, plastids, central vacuole, ribosomes, endoplasmic reticulum, Golgi apparatus, & mitochondria. Next, the class will label a plant cell.