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In this activity, learners investigate circulation and measure their own your heartbeat. A heart rate, or pulse, is the number of times the heart beats per minute.

In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved

During this lesson, learners will determine their blood pressure and learn about systolic and diastolic pressures.

In this activity, learners take their own pulse and explore how heart rate is affected by various activities.

Learners will build a homemade pump using a balloon, a mason jar, and some straws.

This experiment is designed to illustrate how fluids, including water, have the ability to flow.

Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.

In this activity, learners act out the flow of blood in the human body! A great way to get learners up and moving while learning about the circulatory system.