The Lungs 0.0 / 5 ? BiologyRespiration and exerciseGCSEAQA Created by: nina IlhanCreated on: 30-12-18 13:45 The Thorax The thorax is the top part of your body. It`s separated from the lower part of the body by the diaphragm. The lungs are like big sponges and are protected by the ribcage. They`re surrounded by the pleural membranes. 1 of 2 The Thorax The air that you breathe in goes through the trachea. This splits into two tubes called bronchi (each one is a bronchus), one going to each lung. The bronchi split into progressively smaller tubes called bronchioles. The bronchioles finally end at small alveoli where the gas exchange takes place. 2 of 2
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