Answer:
How do the heart and lungs help the body to produce energy?
During exercise, two of the important organs of the body come into action: the heart and the lungs. The lungs bring oxygen into the body, to provide energy, and remove carbon dioxide, the waste product created when you produce energy. The heart pumps the oxygen to the muscles that are doing the exercise.
Explanation:
well medyo vague question mo but i hope it helps
