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

In accordance with 14 CFR Part 107, you may operate an sUAS from a moving vehicle when no property is carried for compensation or hire: 

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?

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?

The semilunar valves are closed when:

How does a thrombus differ from an embolus?

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

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

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