The diagram illustrates the heart and some of its blood vessels. Which combination of numbers correctly identifies the blood vessels that deliver blood to the heart and carry blood away from the heart?
- Ato the heart: 1 and 2; from the heart: 3 and 4
- Bto the heart: 2 and 3; from the heart: 1 and 4
- Cto the heart: 3 and 4; from the heart: 1 and 2
- Dto the heart: 4 and 1; from the heart: 2 and 3