Asked by
Tarik Rahall
on Dec 11, 2024Verified
Which trait is unique to arteries?
A) They have three tunics.
B) They contain valves to prevent backflow.
C) They transport blood away from the heart.
D) They have a thinner tunica media.
Tunica Media
The middle layer of the walls of arteries and veins, composed mostly of smooth muscle and elastic fibers, playing a key role in regulating blood pressure and flow.
Valves
Structures in the heart and veins that maintain blood flow in a single direction, preventing backflow.
- Comprehend the distinctive functional roles of arteries, veins, and capillaries.
Verified Answer
KA
Learning Objectives
- Comprehend the distinctive functional roles of arteries, veins, and capillaries.