45 minutes
In this chapter, you'll learn what it’s like to be a doctor. And the first thing all doctors do? Measure and track of your vitals! That means things like your blood pressure, heart rate, and temperature. So, whenever these signs seem abnormal, they can use this information to investigate why. We’ll be doing a deep-dive into the cardiovascular system—since so many of our vital signs are related to the heart! This includes fun hands-on activities that show how blood moves!