Blood Vessels Flashcards
Mini-arteries that branch into the capillaries
Arterioles
The smallest vein components that suck blood back out of the capillaries
Venules
What is the open space in a blood vessel called. (Really any open space)
Lumen
3 layers of blood vessels starting with the most internal
Tunic intima
Tunic media (Vasoconstriction & dilation)
Tunica Externa
What is the exchange point between the arterial and venous system?
Capillaries
Which has valves veins or arteries?
Veins
An excess of this type of chlorestrol will cause a build up in the blood vessles
LDL low density lipo protein
The ______ regulate blood volume by use of Renin & Angiotensin
Kidneys
Why is salt bad for blood pressure?
Salt creates water retention
Water retention makes higher blood volume
Higher blood volume = higher blood pressure
Stiffening of blood vessels is called
Arteriosclerosis
Blood vessels become weak and bulgy and burst is called
Aneurysm
Why is an enlarged heart bad?
The extra muscle requires more oxygen, which it is unable to get
