An
animal needs air in order to function. The heart pumps blood into the lungs,
which play a major role in gas exchange. The lungs absorb oxygen and give
off carbon dioxide.The term “respiration”
refers to this chemical process. Most people know this as breathing.
Photos
Side view of the internal organs including the respiratory system (lungs are located on the left-hand side of the picture)
Back view of lungs and trachea
Lungs surrounding the heart, still located inside the pig
Inside view of the larynx.
Inferior view, looking up towards the lungs
Measuring the detached lung
Exposing the air spaces within the lungs.