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