Left Coronary artery | arteries of the heart

The left coronary artery (LCA) arises from the aorta above the left cusp of the aortic valve. it is also known as the left main coronary artery (LMCA).

Right Coronary artery | arteries of the heart

Right coronary artery | arteries of the heart Diagram.
in the above diagram label number 2 is right coronary
artery,these arteries supply blood and oxygen to the
heart muscles

Arteries of the heart

like other Organs and muscles, muscles of heart also need blood and oxygen to survive. the arteries that supplies blood to the heart muscles are called as coronary arteries. these are of two types. Right coronary artery and left coronary artery.

Coronary Arteries - Vessels of the Heart

Coronary arteries:

heart receives blood from a group of arteries called as coronary arteries. these are thin arteries that supplies pure blood to the heart muscles.

they contain pure blood.
these are

1: Right coronary artery RCA

(it is divided into two branches Right marginal artery and
posterior descending arteryLAD)

and

2: Left coronary artery

(it is divided into two branches circumflex arteryand
left anterior descending arteryLAD)

coronary arteries arise from the aorta cloase the point where aorta and the left ventricle meet.