█ Answer for (i) █
You can find the blood vessels near the bottom of the heart. You can find them on letter C.
█ Answer for (ii) █
The pulmonary veins carry out oxygenated blood. You can find them on Letter D.
Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia