Matching Pairs Body System Interactions Part II - FlashcardsOnline version Body System Interactions Part II - Flashcards by Benjamin D Morgan 1 sends messages to make the heart beat 2 brings oxygen into the body to give to the muscles 3 helps control the speed food is broken down 4 brings oxygen to give to the red blood cells and also get carbon dioxide from the red blood cells 5 brings oxygen into the body that will be delivered to the brain 6 brings oxygen into the body that will be delivered to the small intestine 7 sends messages to bring oxygen in and carbon dioxide out 8 get nutrients out of food that help the heart 9 delivers gases and nutrients to the brain 10 gets nutrients (protein) out of food to help the muscles 11 brings oxygen into the body to give to the kidneys 12 gets nutrients out of food to help the kidneys 13 sends messages to let body know the bladder is full 14 gets nutrients out of food that help the brain digestive system helping the muscular system digestive system helping the excretory/urinary system nervous system helping respiratory system respiratory system helping the circulatory system respiratory system helping the digestive system respiratory system helping the muscular system digestive system helping nervous system nervous system helping urinary/excretory system nervous system helping circulatory system respiratory system helping the urinary system circulatory system helping the nervous system nervous system helping digestive system digestive system helping circulatory system respiratory system helping the nervous system