Check out this real heart and the awesome job that it does for us!

Blood, Marrow, and Much More!

In this fun and interesting video you’ll see a blood draw, centrifuge, a longitudinal section of a couple bones showing the difference between red and yellow marrow and much more. Definitely worth a watch!

Hepatic Portal Circulation Explained

Study tips, etc. from the Amoeba Sisters

Start at the beginning for the whole story. Or, start at 1:09 for the part where this video gives study tips for when you are watching their videos – these study tips are not just for their videos though – they’re good to use when studying anything!