sentence2_structure: oxygen<>gets<>to all the other organs of your body$$$the heart and lungs<>work together<>to make sure<>In your body$$$the heart and lungs<>work together to make<>sure that oxygen gets to all the other organs of your body
sentence1: This means that when the body demands more oxygen during exercise, less oxygen reaches the brain, heart, muscles and other organs.
sentence2: In your body, the heart and lungs work together to make sure that oxygen gets to all the other organs of your body.
question: In your body, what two organs work together to make sure that oxygen gets to all the other organs of your body?