ANATOMY

Detailed explanation-1: -Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.

Detailed explanation-2: -Arteries carry blood away from your heart. Veins carry blood back toward your heart. Capillaries, the smallest blood vessels, connect arteries and veins.

Detailed explanation-3: -Systemic VeinsVeins collect blood from the body tissues and return it to the heart.

Detailed explanation-4: -The blood vessels that carry blood away from the heart are called arteries. The ones that carry blood back to the heart are called veins.

Detailed explanation-5: -Location: The coronary system is composed of arteries, arterioles, capillaries, venules and veins. From the innumerable cardiac capillaries, blood flows back to the cardiac chambers through venules, which in turn coalesce into the cardiac veins.