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Veins
__________drain tissue and return blood to the heart
True
True/False It is through the capillary walls that echanges are made between tissue cells and blood
Capillaries
Found in all tissues except fot cartilage, epithelia, corena, and lens of the eye
Sinusoidal
This capillary is most permable, occurs in special location: liver, bone marrow and spleen....Hint: called leaky capillary cause its the most permable. found in liver bone marow and spleen
False;Away from
True/False Veins generallly carry blood toward a capillary bed within a organ.
Arterioles
key blood vessels in controlling blood pressure
True
T/F Arteries are thicker than those of veins
Capillaries
Gas exchange occurs through______________
True
T/F Arteries are considered high pressure vessels whereas veins are considered low pressure vessels
Tunica media
This bulky middle coat, composed of smooth muscle and elastic is called___________
Continous

Fenestrated

Sinusoidal
Name the three structual types of capillaries
Varicose veins
veins that become dilated and leak blood into the interstitial fluid are known as_________
Arteries

Veins

Capillaries
Name 3 types of blood vessels
Tunica media
_______________Regulates the diameter of the blood vessels, whhc in turn alters peripherel resistance and blood pressure
Vasodilation
Widening of the lumen
fenestrated; Kidney
this capillary filtraes and aborbs...has largee pores which increase permability , occurs in special locations:_______ and small intestines. What capillary am I?
True
T/F Of all blood vessels, only the capillaries have intimate contact with tissue cells and directly serve cellular needs.
Tunica intima
Name the inner most layer of an artery wall?
Where the arteries supplying blood to the heart is narrowed or blocked
What is cornary heart disease aka cornary artery disease
Vasocontriction
narrowing of the lumen
Continous capillary
Least permeable, and most commo, found in skin and muscle. What capillary am I? Hint: I make up the brain blood barrier
Capillaries
Commect arteries to veins, carry oxygen, nutrients, gases and waste into and out of the tissues.
Sympathetic Nervous System
The smooth muscle in tunic media is controlled by which nervous system Sympathetic or Parasympathetic
Venules
Very small branches that collect the blood from the various organs and parts are called_____________
Veins
Carry oxygen to the heart
aorta
________ is the largest artery in the body
Ventricle
The aorta arises from the left _________ of the heart, forms an arch, then extends down to the abdomen, where it branches off into two smaller arteries.
oxygenated
systemic arteries carry__________blood
deoxygenated
pulmonary arteries carry___________________blood
Tunica intima

Tunica media

Tunica externa


Name the three layers that make up the walls of arteries & veins


vascular anastomoses
Where vascular channels come together they form interconnection called__________
TRUE

T/F Anastomoses provides an alternative pathway called collateral channels 
Circle of Willis

example of vascular anastomoses
Sympathetic nervous system
Which branch of the autonomic nervous system innervates blood vessels?
The diameter of the blood vessel becomes smaller.........vasocontriction
What happens when vascular smooth muscle contracts............What is this called?
elastic arteries

muscular arteries

arterioles
Name the 3 different artery types
Systemic Circulation
cirulation that carries blood from the left ventricle of the heart to the rest of the body and back to the right atrium
Pulmonary
_____ circulation provides our blood with oxygen
True
True or False: veins are much more susceptible to clot formation as there is less pressure, blood moves slower and sits still longer
Aorta
What is the largest artery in the body
Blood Vessels
Function as highways for the transportation system of the body
¨Arteries ¨Arterioles ¨Capillaries ¨Venules ¨Veins
Name the five Blood vessels found in the body.
Vasa Vasorum
 Supplies nutrients to the larger arteries & veins
Tunica Interna
Inner layer composed of smooth endothelium – allows blood to pass through easily without catching on the walls
Lumen
The hollow center of the blood vessel through which blood flows
True or False
Elastic Arteries are also known as Conducting Arteries
True or False
Muscular Arteries are also known as Distributing Arteries
Arterioles

what is the smallest blood vessels that regulate blood flow into capillaries.
Arteries
main transporters of oxygenated blood
Arterioles
what type of artery adjusts its diameter to regulate blood flow
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