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What tissue in arteries and veins permits them to constrict?
Smooth muscle contained with the tunica media layer of their walls.
What muscle tissue is found in the walls of the stomach uterus and arteries?
There are several things that are found in the walls of the stomach uterus and arteries. The smooth muscle is one of elements that are found in these organs.
What vessels have smooth muscle in their walls?
Those would be they Arteries and arterioles.
Why do arteries have more smooth muscle than vei?
capillaries by definition don't have any smooth muscle in their walls. They are simply made of one layer of endothelial cells.
What is the structer of an artery?
The walls of the arteries are genrally very thick. The innermost layer is made up of epithgelial cells. The middle layer consist mostley of muscle tissue. The outermost layer is made up of flexible connective tissue. The material allows it to withstand the force of the pumping blood. Got it from the TXT book =D
What is name of muscle in walls of arteries?
Lamina elastica interna & lamina elastica externa.
What blood vessels have thick walls?
Arteries have thick elastic walls that can expand and contract, because they carry blood pumped from the heart. Veins return the blood to the heart but the pressure is not the same as in the arteries.
Where does the apostrophe go in 'the arteries walls'?
The arteries' walls.
Which layer of the artery wall thickens most in atherosclerosis?
The tunica media is the thickest layer of of an artery
Contrast the structure of veins and arteries for thickness of muscle and elastic tissue?
The more pressure it uses, the thicker the walls will be. Veins have very low pressure which means they have thin walls and vice/versa for arteries which have a higher pressure and thicker walls than veins.
What artery wall contains many smooth muscle cells?
The walls of all the arteries are made up of smooth muscle cells.
Do veins have thick elastic walls?
No, arteries have thicker walls because blood pumps through the arteries around the body, therefore blood pumps through arteries which a high pressure so thick walls are needed. Blood goes through veins with a lower pressure as they lead back to the heart to be oxygenated.
