Final answer:
The right coronary artery gives rise to the marginal arteries and the posterior interventricular artery, which supply blood to parts of the right ventricle, interventricular septum, and both ventricles.
Step-by-step explanation:
The two arteries that arise from the right coronary artery are the marginal arteries and the posterior interventricular artery, also known as the posterior descending artery. The marginal arteries supply blood to the superficial portions of the right ventricle, branching off inferior to the right atrium. Meanwhile, the posterior interventricular artery runs along the posterior portion of the interventricular sulcus, supplying branches to the interventricular septum and portions of both ventricles.