It is because the capillaries are conducting the gas exchange which will affect the rate of velocity
Veins are where the blood flow is the slowest. Blood flow velocity decreases from the aorta to the arteries to capillaries.
Capillaries have slow flow. This slow speed maximizes opportunities of diffusion of oxygen, nutrients, and wastes.
Capillaries do not have valves to regulate blood flow. Veins are the vessel of the circulatory system that have veins to regulate blood flow.
Blood does not move faster through the capillaries. Blood flow is slowest in the capillaries.
From the capillaries, blood will flow into the veins and pump the un-oxygenated blood back to the heart.
Capillaries
albumin
venuoles
capillaries!
The capillaries flow from an artery to a vein.
capillaries
Blood clot