Over 200 stimulating, classroom-tested lessons and reproducible worksheets to teach concepts in human biology and health to students in grades 7–12. Eleven units including: The Cell, The Skeleton, The Nervous System, The Immune System (with lessons on AIDS), The Respiratory System, Reproduction, and others. Each unit activity includes teacher instructions, worksheets, answer keys, lab materials lists, illustrations, and diagrams. Follow-up questions are written at three different cognitive levels to meet varying demands. All of the activities can easily be incorporated into existing curricula. 335 pages, 8½" x 11", soft cover.