No. There are three types of blood vessels. They are the arteries, veins, and capillaries. Arteries are the largest of the blood vessels. Then comes the veins and the smallest are the capillaries.
capillaries
Capillaries
Capillaries send blood to both arteries and veins.
Arterioles take blood from the arteries to the capillaries. Venules take blood from the capillaries to the veins.
The veins carry blood toward the capillaries.
Capillaries
Capillaries.
Capillarycapollaries
capillaries
capillaries
The smallest vessels in the human body are capillaries. They are the blood vessels that absorb oxygen into the blood and returning blood cells that lack oxygen back into the heart and lungs to be oxidised.
your arteries are the biggest, then the veins (the only blood vessels with valves), then the capillaries are the smallest as they are usually only one cell thick