The heart muscle needs oxygen-rich blood to do its job. The vessels that feed the heart are called coronary arteries (shown in the diagram right) and they branch off from the body’s main artery, the ...

Look at diagram of blood flow through the heart - Figure 10.9 on page 97 of lab manual. Next, follow the ventral aorta anteriorly from the heart - no latex. Pull away tissue to expose the 5 afferent ...