Young scientists get to the heart of the matter with this comprehensive review of the circulatory system. Addressing the different anatomical structures and processes involved in pumping blood through the human body, this worksheet...

Examines high blood pressure or hypertension, what it is, how it is diagnosed, factors that affect blood pressure, types of hypertension, risk factors, complications from high blood pressure, how it can be treated, and prevention...

In this interactive map, learn how life expectancy, obesity, hypertension, and physical activity rates have changed dramatically throughout the United States over the last three decades.