Question

Differentiate between an artery and a vein.

Answer 1

$\begin{array}{cc}\text{Artery}& \text{Vein}\\ \text{1. Have thick, elastic muscular walls.}& \text{1. Have thin, non-elastic walls.}\\ \text{2. Lumen is narrow.}& \text{2. Lumen is wide.}\\ \text{3. Carry blood from heart to all body parts.}& \text{3. Carry blood from all body parts to heart.}\\ \text{4. Carry oxygenated blood.}& \text{4. Carry deoxygenated blood.}\\ \text{(except pulmonary artery)}& \text{(except pulmonary vein)}\end{array}$