Veins/blood flow and pressure

Question 1

() walls are thinner, () are larger, compared with corresponding arteries
Tunica () is especially thin

Answer 1

Tunic
lumens
media

Question 2

Make veins good storage vessels
Called () vessels (blood reservoirs) because they contain up to 65% of blood supply
Lower Pressure than arteries

Answer 2

capacitance

Question 3

Have valves to prevent () of blood
() veins: dysfunctional valves

Answer 3

backflow
Varicose

Question 4

/: volume of blood flowing through vessel, organ, or entire circulation in given period
-Measured in ml/min, equivalent to ()
-Relatively constant when at rest, but can vary at individual organ level, based on needs

Answer 4

Blood flow
cardiac output (CO)

Question 5

/: force per unit area exerted on wall of blood vessel by blood
Expressed in mm Hg
Measured as systemic arterial BP in large arteries near heart

Answer 5

Blood pressure (BP)