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This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay. Learners calculate their pulse rate (beats per minute)...

In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon. Learners discover that the extracts' motion is similar to the way that oxygen...

In this activity, learners compare ways to measure their heart rates. Learners build their own stethoscopes and learn how exercise affects heart rate.

In this online activity, learners measure their pulse rates and investigate how their pulses change when they engage in different activities. Learners record their pulse rates at rest, after...

In this math meets health science activity, learners observe a model of exponential decay, and how kidneys filter blood. Learners will calculate the amount of a drug in the body over a period of...

In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity. There are three parts to this...

In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to...