Which blood vessels and parts of the heart carry oxygen-rich blood?

The following blood vessels and parts of the heart carry oxygen-rich blood:

1. Pulmonary Veins:

- These veins carry oxygenated blood from the lungs to the heart's left atrium.

2. Left Atrium:

- The left atrium receives oxygenated blood from the pulmonary veins.

3. Left Ventricle:

- The left ventricle pumps oxygenated blood out of the heart to the rest of the body through the aorta, the largest artery in the body.

4. Coronary Arteries:

- The coronary arteries supply oxygen-rich blood to the heart muscle itself.