Correct answer is B
The anterior interventricular artery is a branch of the LCA. It passes along the groove between the right and left ventricles. It supplies both ventricles and the interventricular septum. It also reaches the apex and supplies that area as well.
Correct answer is D
The wall of the heart consists of three layers
Β Β Β Β 1. Endocardium, is the lining membrane of the heart.
Β Β Β Β 2. Myocardium, is the middle layer composed of cardiac muscle.
Β Β Β Β 3. Epicardium, external layer formed by the visceral layer of serous pericardium.