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