Match each term with its definition or description.
-Blood vessel that carries blood back to the heart

Question

Quizplus · Accepted Answer

Veins are blood vessels that carry blood back to the heart.

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

Answer: C
 Capillaries are tiny blood vessels that connect arteries and veins.

Answer: D
 Tunica adventitia is the outermost layer of a blood vessel, made up of connective tissue.

Answer: E
 Tunica intima is the innermost layer of a blood vessel, made up of endothelial cells.

Answer: F
 Tunica media is the middle layer of a blood vessel, made up of smooth muscle and elastic fibers.

Answer: G
 Ductus arteriosus is a fetal blood vessel that shunts blood from the pulmonary artery to the aorta, allowing oxygenated blood to bypass the lungs.

Answer: H
 Ductus venosus is a fetal blood vessel that shunts blood from the umbilical vein to the inferior vena cava, bypassing the liver.

Answer: I
 Hepatic portal system is a network of blood vessels that carries nutrient-rich blood from the digestive tract to the liver for processing.

Answer: J
 Pulse is the rhythmic throbbing of arteries, caused by the contraction and relaxation of the heart.

Match Each Term with Its Definition or Description