Heart Study Questions Flashcards
0
Q
What is the average weight of the heart in males?
A
Over 300 g
1
Q
What is the average weight of the heart in females?
A
~250 g
2
Q
What percent of the weight of the heart do mitochondria comprise?
A
~25%
3
Q
What kind of tissue is fibrous pericardium made of?
A
Loose fitting dense irregular connective tissue
4
Q
Passively, atrioventricular valves are __________.
A
open
5
Q
Passively, semilunar valves are __________.
A
closed
6
Q
Atrioventricular valves close when:
A
ventricular pressure is greater than atrial pressure
7
Q
Semilunar valves open when:
A
ventricular pressure is greater than arterial pressure
