Body Systems: Levels of OrganizationThis 70 minute lesson is designed to give students an in-depth understanding of the levels of organization for the human body, and is the first lesson for Body Systems Unit. This lesson will help prepare students to dive into learning all the systems of the body, and how they work together. Topics covered in this lesson include unicellular versus multicellular organisms, and differentiating between cells, tissues, and organs.The lesson can be taught as a stand