What Are Plants Made Of? Crash Course Botany #2

When you eat a salad for lunch, you’re digging into a giant pile of plant organs. That’s right—plants are made up of organs, only theirs follow a totally different set of rules from our own. In this episode of Crash Course Botany, we’ll explore what it takes to build a plant, including roots, leaves, and stems, and how one little tomato went all the way to the U.S. Supreme Court. Chapters Introduction: Plant Organs 00:00 Stem Cells & Meristems 1:12 Stems 3:19 Leaves 4:32 Roots 6:55 Fruits & Vegetables 9:36 Review 14:23 Extra Credit 15:57 Sources: Check out Women of Earth from PBS Terra here: *** Crash Course is on Patreon! You can support us directly by signing up at Thanks to the following patrons for their generous monthly contributions