Cells, Tissues, and Organs examines how cells work together to form tissues, organs, and organ systems. You will learn about the scientists who first viewed cells, the different parts of plant and animal cells and why your body breathes, circulates blood, and feels pain. So, come on a fantastic journey into the world of cells, tissues, and organs Sci-Hi is an engaging, comprehensive, and visually stimulating series that takes learning science core curriculum to a whole new level.