Students review circulation and blood flow patterns from different parts of the body. They play a game using colored yarn and index cards to simulate blood flow, oxygenated blood, arteries and veins.

Seventh graders explain the role of white blood cells in fighting infections. In this life science lesson, 7th graders create flow charts showing the immune response process. They act out and play a game to simulate actions of the immune...

Students investigate the human circulatory system by experimenting with hoses.  In this human body lesson, students create a system of hoses simulating the circulatory system which they utilize to pass objects through....