Which of the following is an example of how the respiratory system interacts with the circulatory system to excrete waste?

1. The veins carry blood from different parts of the body to the heart, and the lungs exhale the carbon dioxide.
2. The arteries carry blood from different parts of the body to the heart, and the lungs exhale the carbon dioxide.
3. The veins carry oxygen-rich blood to the different parts of the body, and the arteries carry carbon dioxide-rich blood to the heart.
4. The arteries carry oxygen-rich blood to the heart, and the veins carry blood from the lungs to the different parts of the heart.