AP midterm

Question 1

What is the pathway of blood through the heart?

Answer 1

inferior vena cava-> right atrium -> tricuspid valve ->r ventricle -> through pulmonary valve to pulmonary artery -> to lungs where it takes on oxygen/releases carbon then back to pulmonary vein -> Left atrium-> mitral valve -> Left ventricle -> aortic valve -> aorta

Question 2

How does the heart receive blood?

Answer 2

Coronary arteries

Question 3

What are the 4 venous systems of the heart and what do they drain?

Answer 3

Great cardiac vein- drain ventricles & left atrium
Middle cardiac vein-drain ventricles
Small cardiac vein-drain right atrium & ventricle
Anterior cardiac vein- drain right ventricle & atrium

Question 4

all 4 veins drain into what?

Answer 4

Cardiac sinus