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Arterioles generally have the highest resistance because they are so extremely small.
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What is blood flow generated by?
The flow of blood times the resistance of the blood vessels.
A resistance to blood flow due to friction between blood and blood vessel walls is called what?
it is called peripheral resistance.
What factors influences resistance to blood flow in the arteries?
resistance occurs as the blood flows away from heart through the vessels in the peripheral systemic circulation a term known as peripheral resistance. Viscosity of the blood (thickness) ,vessel length (distance) and vessel diameter (blood vessel radius) are three factors
What three variables affect peripheral resistance to blood flow?
Resistance is determined by three properties: the lengthand cross-sectional area of a material, and its resistivity. Since resistivity is affected by temperature, you could say that temperature indirectly affects resistance.
Which of the following is NOT an important source of resistance to blood flow?
Total Blood Volume "There are three important sources of resistance: blood viscosity, vessel length, and vessel diameter." - Anatomy & Physiology 4E Marieb/Hoehn page 612.
What is blood flow resistance?
The resistance of blood flow is what?
Which of the following statements about arteries and veins is false?
Veins can collapse, serving as the blood vessel with the greatest resistance to blood flow in the circulatory system
What is faster blood flow in the center of a large vessel or blood flow along the walls of a blood vessel?
Blood flow in the center of a large vessel is faster because the walls of the blood vessel may have a buildup of cholesterol on them.
What is the effect of increased vessel length on blood flow?
The longer the vessel is the more friction it applies on the passing blood, the less the blood flow is.
Which blood vessel does blood flow with a pulse?
artery
What makes the blood flow inside the tubes or blood vessel?
Contractions and relaxation of heart chambers make the blood flow inside the tubes or blood vessel.
What is the affect on blood flow on the radius vessels?
The relationship between blood flow through a vessel and the radius of the vessel can be expressed as BF=1/pi r4 (where pi is equal to 3.14.....). So a change in the radius of a vessel has a large effect on the blood flow through the vessel.
