Learn the differences between continuous, fenestrated, and discontinuous capillaries, and how they affect the movement of molecules. Rishi is a pediatric infectious disease physician and works at Khan Academy. [9:17]

Remember the three key layers of a blood vessel (Tunica intima, Tunica media, and Tunica externa) and how arteries, veins, and capillaries are all different from one another. Rishi is a pediatric infectious disease physician and works at...

Find out how the body controls how much blood flows through a capillary bed. Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical advice and are for informational purposes only....

This lesson will identify the main structures and function of the cardiovascular system as one of the 11 organ systems of the human body. It is 1 of 2 in the series titled "Cardiovascular System."

In a pleural effusion, different fluids can enter the pleural cavity. Transudate is fluid pushed through the capillary due to high pressure within the capillary. Exudate is fluid that leaks around the cells of the capillaries caused by...

This lesson will classify the various types of blood vessels depending on their structure and function. It is 1 of 3 in the series titled "Blood Vessels."