Watch how centrifuging your blood decomposes it, and find out what it's made up of. The instructor is a pediatric infectious disease physician. [11:09]

Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:02]

Learn how to use three lab values (Sodium, glucose, and BUN) to approximate your plasma osmolarity. Rishi is a pediatric infectious disease physician and works at Khan Academy.

See how each of these terms tells us something different about a solution. [4:04]

Figure out how to interpret the units in common medical labs including the CBC, Chem 10, and LFTs. [11:24]

Learn the difference between molarity and molality differ. Rishi is a pediatric infectious disease physician and works at Khan Academy. [8:00]