Question

what are veins and arteries​

Answer 1

vein carry deoxygenated blood except pulmonary vain

biggest vain called vanacava

artery carry oxygenated blood except pulmonary artery

biggest artery called arrot

Answer 2

$\bf{\underline{Arteries}}$

●Arteries carry blood from the heart to the different parts of the body

●They do not posses valves

●All arteries except the pulmonary artery carry oxygenated blood.

●They are thick walled and elastic

$\bf{\underline{Veins}}$

●Veins carry blood from the different parts of the body to the heart

●They posses valves to prevent the backflow of blood.

●They are thin walled and non elastic

●All veins except pulmonary vein carry de-oxygenated blood.