Question

write the very very short note of artery, vein and capilliers

Answer 1

Arteries, Veins, And Capillaries. Arteries have the function of carrying oxygenated blood away from the heart to the entire body through the main artery, aorta.Capillaries are very delicate, sometimes as thin as one epithelial cell so that blood can easily pass through them.
Veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; 

Answer 2

arteries---
--These carry oxygenated blood from heart to different parts of body
--These are deep --seated
--Lumen is narrow
veins --

--It carry deoxygenated blood from body parts to the heart for its purification
-- Its is superficial
--Lumen is comparitively wider
capillaries--
--These are the microscopic vessels that carry blood from arterioles to tissues or organs
--It allow the diffusion of oxygen into fluids
-- It also allow inward movement of urea

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