https://www.healthcentral.com/article/how-the-heart-and-lungs-work-together
COPD

How the Heart and Lungs Work Together

    John Bottrell

    John Bottrell

    John Bottrell is a registered Respiratory Therapist. He wrote for HealthCentral as a health professional for Asthma and Chronic Obstructive Pulmonary Disease (COPD).