Measure and interpret how heart rates are affected by exercising.
In this fun, hands-on lesson, students explore their heartbeats and learn about blood circulation. They will make their own stethoscopes, use them to measure their heart rates and investigate how heart rate is affected by exercise.
You can find this page online at: https://www.sciencebuddies.org/teacher-resources/lesson-plans/make-a-stethoscope?from=Blog
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