This document summarizes the key parts and functions of plants. It explains that plants have roots that absorb water and nutrients from the soil, stems that transport resources between the roots and leaves, and leaves that contain chlorophyll and perform photosynthesis using water, carbon dioxide, and sunlight to produce food for the plant. The document also provides a high-level overview of the photosynthesis process where water and minerals are absorbed by the roots and transported to the leaves, and carbon dioxide is absorbed to produce glucose and oxygen through the action of chloroplasts and chlorophyll.