Question

which structure(s) carries blood to the heart so the heart has its own supply of oxygen and nutrients to perform its function?
pulmonary artery
coronary arteries
superior vena cava
inferior vena cava

Explanation:

The coronary arteries supply the heart muscle with oxygen - rich blood and nutrients. The pulmonary artery carries de - oxygenated blood from the heart to the lungs. The superior and inferior vena cava carry de - oxygenated blood from the body to the heart, but not to supply the heart muscle itself with oxygen and nutrients.

Answer:

B. coronary arteries