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Hemoglobin is a protein that is usually found dissolved in blood plasma, and it is responsible for binding and transporting oxygen in the blood.

Lymph from the left side of the body flows through the ________ immediately before draining into the venous system at the junction of the left internal jugular vein and left subclavian vein.

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

What type of tissue lines the oropharynx?

The semilunar valves are closed when:

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?