Students design and create their own heart valves out of a variety of materials. Their heart valves are one way valves designed for water flowing through a tube representing blood moving through the heart.

In this kidneys worksheet, students review the structure and function of the kidneys in the human body. This worksheet has 18 fill in the blank statements.

In this biology instructional activity, learners identify and locate various vocabulary terms related to the lymphatic and immunity systems of the body. There are 42 biology terms located in the word search.