Read the given table and find out the mismatched one :

S. No.	Parameters	Arteries	Veins
1	Direction of blood flow	Carry oxygen rich blood (except pulmonary artery).	Carry blood from different body parts to the heart.
2	Nature of blood	Carry blood from the heart to various body parts.	Carry carbon dioxide rich blood (except pulmonary vein)
3	Flow of blood	Blood flows with high speed and under high pressure.	Blood flows with low speed and under lower pressure.
4	Walls	Walls are thick and elastic	Walls are thin and less elastic.
5	Valves	Arteries are deeply seated.	Walls are thin and less elastic.
6	Position in the body	Valves are absent	Veins are not deeply seated