Answer :
the structure and function of arteries, capillary beds, and veins bigger lumens than arteries, thinner walls; In veins, blood pressure is lower than in arteries. hold 65% or more of the blood's volume
Despite having very little blood pressure or force, the heart is nonetheless able to receive blood because to the vast lumens, venous valves, and venous sinuses.
enables the return of oxygen-poor blood from the capillary beds to the heart after gas exchange has occurred.
Blood is transported by veins and arteries, with arteries carrying it away from the heart. Arteries transport oxygenated blood, whereas veins carry deoxygenated blood, with the exception of pulmonary blood vessels. The muscle-filled, thick walls of arteries are present. Your blood is kept flowing through veins, which have valves and thinner walls.
Vein wall layers are identical to the artery's three layers. There is less connective tissue and smooth muscle despite the presence of all the layers. Due to the lower pressure of the blood in the veins compared to the arteries, this results in thinner vein walls than arteries.
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