MATCHING
Match each term with its corresponding definition or description.
-structure in the fetus that allows blood to bypass the immature liver
A)ductus arteriosus
B)artery
C)ductus venosus
D)vein
E)tunica media
F)capillary
G)tunica externa
H)hepatic portal system
I)tunica intima
J)foramen ovale

Question

Quizplus · Accepted Answer

The ductus venosus is a structure in the fetus that allows blood to bypass the immature liver by connecting the umbilical vein to the inferior vena cava.

Answer: A
 The ductus arteriosus is a fetal blood vessel that connects the pulmonary artery to the descending aorta, allowing blood to bypass the lungs.

Answer: D
 Veins are blood vessels that carry deoxygenated blood back to the heart.

Answer: I
 The tunica intima is the innermost layer of a blood vessel composed of endothelial cells.

Answer: J
 The foramen ovale is a fetal opening between the two atria of the heart that allows blood to bypass the non-functional lungs.

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

Answer: G
 The tunica externa is the outermost layer of a blood vessel composed of connective tissue and collagen fibers.

Answer: H
 The hepatic portal system is a network of veins that drain blood from the digestive organs and carry it to the liver for processing.

Answer: B
 Arteries are blood vessels that carry oxygenated blood away from the heart to the body.

Answer: F
 Capillaries are small, thin-walled blood vessels where oxygen and nutrients are exchanged with cells.

MATCHING Match Each Term with Its Corresponding Definition or Description