Cardiovascular system Flashcards
1
Q
what is dystole?
A
fills with either oxygenated or deoxygenated blood in chamber
2
Q
what is systole?
A
muscle pumps blood to rest of the body
3
Q
tricuspid valve
A
has 3 valve leaflets and has oxygenated blood
4
Q
Bicuspid valve
A
blood travelled from left atrium then pulmonary veins comes here
5
Q
tunica extrana
A
made up of collagen fibres
6
Q
tunica media
A
smooth muscle and elastic fibres to handle high pressure so oxygenated blood can travel to organs quickly
7
Q
one way valve
A
pumps blood to atrium and prevents back flow of blood
8
Q
vague nerve(parasympathetic)
A
decreased heart rate
9
Q
sympathetic cardiac nerves
A
increase heart rate to force contraction
