Final answer:
The Internal Thoracic Artery divides into the Musculophrenic Artery and the Superior Epigastric Artery typically at the level of the sixth or seventh ribs.
Step-by-step explanation:
The Internal Thoracic Artery (also known as the mammary artery) is a major arterial branch that arises from the subclavian artery. It supplies blood to the thymus, pericardium of the heart, and the anterior chest wall. The question pertains to where the Internal Thoracic Artery branches. Although the provided material does not contain the exact location of this bifurcation, from anatomical knowledge, we can state that the Internal Thoracic Artery typically divides into the Musculophrenic Artery and the Superior Epigastric Artery at the level of the sixth or seventh ribs.