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