The human respiratory system (UEB Uncontracted)

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Synopsis: This diagram shows the anatomy of the human respiration system. A locator dot and title are shown. These must always be at the top left of the page when the image is the right way up. There is an outline of the head, the chest and upper arms surrounded by an image border. The chest is facing you and the head is turned to face the left side of the page. The head is shown in cross section so you can follow the respiratory tract in through the nose, and just below, in through the mouth past the teeth and tongue to join the nasal passageway at the back of the throat. The tract branches left as the respiratory tract and oesophagus (food pathway) split. Only the beginning of the oesophagus is shown. After this split the respiratory tract widens, this is where the larynx (voice box) is. The neck and chest are shown opened but not in cross section so the external appearance of the organs can be seen. The respiratory tract goes down and in the centre of the image splits into two smaller tracts, one going to the lung on the left and one to the lung on the right. The respiratory tract has rings of cartilage so the pathway is kept open. The heart can be found between the lower parts of the lungs. Below this is a thick line representing the diaphragm. The cut sections of the ribs surround the lungs to the left and right.

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