1.The heart and lungs work together to make sure the body has the oxygen-rich blood it needs to function properly.
2.Your brain controls your breathing rate (how fast or slow you breathe), by sensing your body's need for oxygen and its need to get rid of carbon dioxide.
3.Your heart and kidneys are two important organs in your body. They work together to keep you healthy. When one is affected, the other is too. In other words, your heart can affect the health of your kidneys, and your kidneys can affect the health of your heart.
4.The brain controls the heart directly through the sympathetic and parasympathetic branches of the autonomic nervous system,
5.The brain has a direct effect on the stomach and intestines