Question

Point out three differences between arteries and veins. [3 MARKS]

Answer 1

Each point: 1 Mark

$\begin{array}{ccc}\text{Sr.No.}& \text{Arteries}& \text{Veins}\\ 1& \text{They have thick}& \text{They have thin and}\\ & \text{elastic}& \text{less muscular walls.}\\ & \text{walls.}& \\ 2& \text{Direction of blood}& \text{Direction of blood flow}\\ & \text{flow is from the heart to}& \text{is from the organs of the body}\\ & \text{the organs of the body.}& \text{to the heart.}\\ 3& \text{They carry}& \text{They carry}\\ & \text{oxygenated blood}& \text{deoxygenated blood}\\ & \text{except in case of}& \text{except in case of}\\ & \text{pulmonary artery.}& \text{pulmonary vein.}\end{array}$