Although Capillaries Have No Tunica Media, They Have a Tunica

question 37

True/False

Although capillaries have no tunica media, they have a tunica intima and tunica externa that are similar in thickness to those found in arterioles and venules.

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Definitions:

HR

An acronym for Heart Rate, which is the number of times the heart beats per minute, an important indicator of cardiovascular health.

Right Atrium

The right upper chamber of the heart that receives deoxygenated blood from the body.

Pulmonary Trunk

A large blood vessel that carries blood from the right ventricle of the heart to the lungs for oxygenation.

Superior Vena Cava

A major vein in the human body that carries deoxygenated blood from the upper half of the body to the heart's right atrium.