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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, learners investigate whether more people are squares or rectangles. People with similarly sized heights and arm spans are classified as squares.

In this Cyberchase activity, learners use math to explore how parts of the body are proportional.

Learners draw and cut out shapes of organs from construction paper. Then they attach these organs to the body of one learner to make a life-sized map of all the internal organs.

In this activity, learners will explore their center of gravity.

In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.

In this activity, learners work together to create a life-sized drawing of the human nervous system.

Our bodies defend themselves in many different ways to prevent us from getting sick.

Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials

In this online activity, learners role-play as medics, treating a patient with missing organs. Learners select different organs, then drag them into the proper location in the patient's body.