cardiac system <3

Question 1

what are the great vessels?

Answer 1

aorta, pulmonary arteries, superior and inferior vena cava,

Question 2

epicardium

Answer 2

simple squamous + areolar (so it has bv), outermost layer of heart wall

Question 3

myocardium

Answer 3

middle layer, thickest layer of heart wall

Question 4

endocardium

Answer 4

internal surface of heart wall + external surface of valves, simple squamous + areolar tissue

Question 5

main functions?

Answer 5

delivery of O2 to the body, removal of CO2 and wastes