In this task, 8th graders are asked to draw a graph that represents heart rate as a function of time from a verbal description of that function. Then they use the graph to draw conclusions about the context. Aligns with 8.F.B.

A very interesting article discussing the development of embedded wireless technology, where everyday devices, from cell phones to cars to heart monitors, are able to communicate seamlessly and automatically.

If TV medical dramas have taught us anything, it's how to recognize the heart's characteristic peaks and valleys crawling across monitors in emergency rooms. These images represent the electrical activity of the beating heart as recorded...