Veins collect blood from different organs and bring it back to the heart. They have thinner walls compared to arteries because blood in veins is no longer under pressure. Veins have valves that ensure blood flows only in one direction.
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Veins collect blood from different organs and bring it back to the heart. They have thinner walls compared to arteries because blood in veins is no longer under pressure. Veins have valves that ensure blood flows only in one direction.
deoxygenated blood back to the heart from various tissues and organs. Unlike arteries, veins have thinner walls with less muscle and elasticity. Valves in veins prevent backflow and assist in propelling blood toward the heart, overcoming gravity. Additionally, veins often run parallel to arteries, forming a network. Arteries, in contrast, carry oxygenated blood away from the heart, have thicker, more muscular walls, and lack valves. Arteries endure higher pressure, while veins exhibit capacitance, serving as blood reservoirs. Together, arteries and veins support the continuous circulatory flow.