Cardiovascular system Flashcards
1
Q
What is equivalent to endocardium of heart
A
tunica intima
2
Q
which has a larger diameter artery or vein
A
viein
3
Q
which has a thicker wall thickness artery or vein?
A
artery
4
Q
What are the three cell types in a myocardium
A
- contractile cardiocyte (contract to pump blood through circulation.
- myoendorcrine cardiocyte (produce atrial natriuretic factor)
- nadoal cardiocytes (control rhymthmic contraction of heart
5
Q
What is the structure of tunica intima of blood vessel?
A
endothelium
subendothelial connective tissue
internal elastic lamina
6
Q
what is the structure of the tunica media of blood vessel?
A
ciruclar smooth muscle
7
Q
small areriorles are innervated by
A
sympathetic sytem
constriction reduces blood flow to the cpillary bed
