How can the circulatory system compare to a city map? Pupils distinguish the "roadways" and "vehicles" of the cardiovascular system, compare the anatomy and function of veins and arteries, and review different types of blood cells with...

Hop into exploration of a frog's anatomy with this collection of dissection resources. With the help of the included virtual dissection website, worksheets, and printable diagrams, students will have no problem navigating their way...

Act out the circulation of blood in the body with an innovative activity. Kids act as either body parts or blood, and carry necessary nutrients and waste throughout different stations to represent the way that oxygen circulates. 

Do you know the parts of the lung? Check out this lung diagram that can be printed out for students to label the various parts.

To gain a better understanding of the roles and functions of components of the human respiratory system and our need for clean air, students construct model lungs that include a diaphragm and chest cavity. They see how air moving in and...

Students explore the inhalation/exhalation process that occurs in the lungs during respiration. Using everyday materials, they create a model pair of lungs.

The University of Arizona's Biology Project provides background information on toxic materials and the body's responses as well as interactive tutorials with assessment questions and an activity in which students can actually acquire and...