We will review the Circulatory System and you will map out what happens at each section of the Systemic and Pulmonary Circuit.
We will map out the path of oxygen, carbon dioxide, nutrients and waste and familiarize ourselves with the names of major arteries and veins.
Here's a great crash course summary which talks about the vessels and the direction of blood flow:
Be familiar with the Major Blood Vessels
Some details on the Hepatic portal system here: