In this lymphatic system activity, students describe whether they think that the lymphatic system is well-adapted to carrying material through the body in comparison to the circulatory system. Then they design a lymphatic system for an...

Here is a lesson which describes a lab activity in which a rat is dissected, and its heart is studied. The lesson has ample background information about three of the rats internal systems, and excellent lab sheets that support the...

Eighth graders identify and explain how infectious diseases effect organ systems. Using an analogy with automobiles and body systems, they discover how one part influences the operation of the whole. Students write paragraphs about...

[Free Registration/Login Required] An informational text about a young man who donated stem cells through a blood donation to help save the life of a cancer patient. A question sheet is available to help students build skills in reading...