Cardiac veins are blood vessels that carry deoxygenated blood away from the heart muscle. Included in these is the great cardiac vein, the middle cardiac vein, the anterior cardiac veins and the small cardiac vein.
I'm not sure exactly what you mean here. It can either mean the valves in your heart that control the flow of blood and prevent backflow, or since this is in the intestinal health category you could be referring to the cardiac sphincter, aka the lower oesophageal sphincter that controls the flow of food from the oesophagus (food pipe) to the stomach.
drains into the coronary sinus which drains into the right atrium
Pulmonary vein
You mean the great coronary vein and Marshall's vein? If so, then into the coronary sinus then to the right atrium through the valve of Thebesius!
To drain the tissues of the heart and empty into the coronary sinus
pulmonary vein
simple it is an artery
oxygen
The Coronary Sinus
Coronary bypass
Carbon dioxide
The code you are looking for is 33511.
I can not to answer
coronary vein