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Heart and Lungs

Author(s): Nancy Moreno, PhD, Barbara Tharp, MS, and Judith Dresden, MS.

Heart and Lungs

Students will measure breathing and heart rates at rest and following exercise. They will discover that breathing and heart rates increase at higher levels of activity (i.e., after exercising). During this activity, students will make predictions, take measurements, graph, compare data, and draw conclusions based on their investigation. 

Specific science concepts addressed include the following.

  • The functions of the heart and lungs (cardiovascular and respiratory systems) are linked.
  • The heart and circulatory system work with the lungs to supply oxygen to the body and eliminate carbon dioxide.
  • The rates at which the heart and lungs work depend on a person’s level of activity, and their individual fitness levels.

Funded by the following grant(s)

National Institute of Environmental Health Sciences, NIH

National Institute of Environmental Health Sciences, NIH

The Environment as a Context for Opportunities in Schools
Grant Numbers: 5R25ES010698, R25ES06932


Houston Endowment Inc.

Houston Endowment Inc.

Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education