Matching Pairs Human Body Systems Interactions - MATCHING - PART IOnline version Human Body Systems Interactions - Matching by Benjamin D Morgan 1 gets nutrients out of food that help the brain 2 brings oxygen into the body to give to the kidneys 3 brings oxygen into the body that will be delivered to the small intestine 4 brings oxygen into the body that will be delivered to the brain 5 sends messages to let body know the bladder is full 6 delivers gases and nutrients to the brain 7 helps control the speed food is broken down 8 brings oxygen to give to the red blood cells and also get carbon dioxide from the red blood cells 9 get nutrients out of food that help the heart 10 gets nutrients out of food to help the kidneys 11 sends messages to make the heart beat 12 brings oxygen into the body to give to the muscles 13 sends messages to bring oxygen in and carbon dioxide out 14 The variable we measure in an experiment. 15 The variable we change in an experiment. 16 The variable we keep the same in an experiment 17 gets nutrients (protein) out of food to help the muscles Dependent Variable Independent Variable Controlled Variable