The lymphatic vessels are an important part of the cardiovascular system.

Capillaries in the liver and the spleen have large lumens and follow twisting paths through these organs. These capillaries also have large holes in their walls that allow large particles (such as blood cells) to exit the capillaries. What is the correct name for this type of capillary?

The semilunar valves are closed when:

What type of tissue lines the oropharynx?

The hepatic portal system has two distinct capillary beds separated by the hepatic portal vein. What are the functions of these two capillary beds?

When the ventricles are contracting, the mitral valve prevents blood from flowing from the:

How does a thrombus differ from an embolus?

Which of the following blood vessels is located in the anterior interventricular sulcus of the heart?

Trace the path a drop of blood would take from the left ventricle of the heart to the sigmoid colon and then back to the heart. Name all arteries, veins, organs, or other structures that may lie in between (in the correct order).

The event during which cardiac muscle cells die as a result of blocked blood flow to the heart is known as: