Khan Academy: What Is Pulmonary Hypertension?

Article attempts to answer the question "what is Physics?" Takes a look at concepts such as force, motion, Newton's Laws, work, energy, and much more.

This resource from Khan Academy provides information about hypertension, a circulatory system disease. Students will learn the basic facts about this disease.

This Khan Academy resource is a video what causes valvular heart disease?

This Khan Academy resource is a video explaining what pertussis is.

This Khan Academy resource is a video that explains what a upper respiratory infection is.

This Khan Academy resource is a video about skin and the integumentary system.

Defining life is harder than it seems. This video explains four key qualities that all living things possess: Metabolism, Homeostasis, Reproduction, and Adaptation. DNA plays a crucial role in all of these qualities. [10:24]

Learn the difference between the cold and the flu, and how we sometimes can get fooled by viruses! Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical advice and are for...

Learn what is essential thrombocythemia as well as how to identify its signs and symptoms, diagnose it, and treat it. By Raja Narayan. Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content...

Find out what a systolic and diastolic blood pressure mean. Rishi is a pediatric infectious disease physician and works at Khan Academy.