Students examine human blood flow by comparing the pulse of athletes.  In this human body lesson, students discover the equation for finding the cardiac output from a human heart.  Students identify heart rates of accomplished...

Fifth graders make a graph. In this pulse rate lesson, 5th graders estimate their pulse and record it. Students measure their pulse while at rest and after physical activity and record it. Students use the internet to graph their results...

Young scholars measure and calculate heart rates per minute and for other units of time. They determine the amount of blood pumped by their heart during various intervals of time.