Matching Pairs Human Body Systems Matching (D)Online version Match the body systems to their functions. by Lisa Baker 1 Respiratory System 2 Muscular System 3 Skeletal System 4 Immune System 5 Excretory System 6 Digestive System 7 Circulatory System 8 Nervous System Responsible for exchanging gases between the environment and your body Sends signals throughout body to help you react Allows your body to move Breaks down food into nutrients Filters your blood and removes liquid waste from your body Carries oxygen and other nutrients or waste throughout your body Helps your body to fight infections Provides structure and support for your body