Shark

Here is a picture for orientation.

Here is the shark heart and associated structures.  Click here for a labeled picture.

Another picture for orientation - shows the vessels that were exposed by opening the mouth.

Close up of the vessels in the mouth.  Click here for labeled image.

Another picture for orientation - shows the vessels in the abdominal cavity.

Close up of shark abdominal vessels.  In this diagram, veins are colored yellow, while arteries are red.  These vessels are usually close to one another.  Veins are connected to the hepatic portal system, which drains the digestive organs.  Click here for a labeled picture.

This image shows the intestinal vessels more clearly.

Another orientation pic of the shark abdomen.

Shark abdomen showing dorsal aorta.  Click here for labeled picture.