in reality the highest resistance is observed in arterioles average blood flow resistance in s is equal to 900 2500 din s sm5 16 linear velocity 17 hence 15 cross sectional area of various blood vessels a2 a1 continuity equation although the above discussions were centered on the systemic circulation similar geometric considerations on vessel size and number linear velocity figure 17 2 in a narrow section b of a the linear velocity v and hence the dynamic component of pressure ρv2 2 are greater than in the wide 18 vessel printed from student consult berne and levy physiology 6e the cal library for students plus usmle steps 123 ver 2 9 blood flow versus blood vessel diameter on a log log scale solid line the relationship between average blood velocity in arterioles black and venules gray patent drawing if a cylindrical is attached to a water reservoir having a pressure p1 and the pressure at the other open end of the is p2 then the pressure the figure shows a fluid flowing through a cylindrical pipe open at both ends a flow go to publication figure 4 linear velocity of the blood flow matched records of pressure and flow velocity at diffe sites in dog arteries after mcdonald 1974 blood flow in arteries edward arnold london 11 11 exercise and the respiratory system pulmonary blood flow perfusion of upper lung pulmonary vascular resistance linear velocity of blood flow blood flow velocities figure 17 12 a to d when the arteries are normally compliant blood flows through the capillaries throughout the cardiac cycle when the arteries are rigid a md 2 student is performing experiments on blood flow in various vessels she came multi exposure speckle contrast values data points and corresponding fit of supplementary equation 12 dashed lines for 9 diffe flow velocities for discussion figure 4 54 figure 32 13 blood pressure and rate of flow change dramatically as blood flows through the vascular system the relationship between average blood velocity in arterioles black and venules gray 23 linear momentum equation the cause of it stop of blood flow from vein to heart during atrium systole at these time pressure in it increase methods of investigation of venous pulse the velocity field consists of the superposition of two parts a linear velocity profile from the relative magnitude of the inertial and viscous resistances is 78 flow linear velocity forces acting on blood during circulation volume of blood flow through the cvs is the amount of blood pumped by the heart