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toxic. The lungs are the place in the body where essential oxygen is taken in, and toxic carbon dioxide is released. When the lungs have difficulty doing their job, other organs in the body have difficulty doing their jobs. Therefore, the health of the lungs has direct and immediate effects on the overall health of the body. 1
1. Deliver air to lungs 2. Convey oxygen from the inhaled air to the blood for delivery to the body cells 3. Expel the waste products (carbon dioxide and a small amount of water) returned to the lungs by the blood through exhalation 4. Produce the airflow through the larynx that makes speech possible 5.-exchange of oxygen and carbon dioxide at the cellular level-oxygen from bloodstream into the tissue cells-carbon dioxide passes from the tissue cells into the bloodstream-occurs within the cells of all body organs and tissues Cellular respiration Exchange of gases within the cells of the blood and tissues.