Which veins take blood from the pelvis area and brings it to the heart?

These have muscular walls:

These have valves that prevent backflow of blood

What are the main arteries that supply blood to the head, face and neck?

What are the two arteries in the arm and hand?

Inner layer of blood vessels. Made of epithelial tissue that protects the vessels and keeps it from rupturing.

Middle most layer of blood vessels. Made of smooth muscle.

Outermost layer of blood vessels. Made of connective tissue.

Rank the following blood vessels in order of their average pressure, from highest to lowest: artery, vein, arteriole, venule, aorta, capillary.

Arteries: Name letter A

Arteries: Name letter B

Which of the following blood vessels carries oxygenated blood away from the heart?

What is the primary function of valves in veins?

Which layer of the blood vessel wall is primarily responsible for vasoconstriction and vasodilation?