Match each term with its corresponding description.
-Innermost layer of a blood vessel, consisting of endothelium

Question

Quizplus · Accepted Answer

The innermost layer of a blood vessel is called the tunica intima and consists of endothelium.

Answer: A
 Arteries are muscular blood vessels that carry blood away from the heart.

Answer: B
 Capillaries are the smallest blood vessels in the body and are responsible for nutrient and gas exchange between the blood and tissues.

Answer: C
 Pulmonary circulation refers to the circulation of blood between the heart and the lungs.

Answer: D
 Systemic circulation refers to the circulation of blood between the heart and the rest of the body.

Answer: G
 The tunica media is the middle layer of a blood vessel and consists of smooth muscle cells and elastic fibers.

Answer: E
 The tunica adventitia (also known as the tunica externa) is the outermost layer of a blood vessel and is composed of connective tissue, collagen fibers, and elastic fibers.

Answer: H
 Veins are blood vessels that carry blood toward the heart, and are typically thinner-walled compared to arteries.

Match Each Term with Its Corresponding Description