The Human Lungs

Structure of the Lungs Figure 1 http://www.webmd.com/lung/picture-of-the-lungs The lungs ar bevel molded organs in the thoratic quarry. They are separated from star other by the heart and other structures in the mediastinum, which divides the pectoral cavity into two anatomically different sections. The pleural membrane covers and protects some(prenominal) lungs. The superficial layer, called the parietal pleura lines and protects the thoracic cavity. The visceran pleura covers the lungs themselves. In in the c bring out of partial and visceral pleura is a small space containing unsound. This fluent reduces friction between the membranes. Inside the lungs are the bronchi. Branching forward of the bronchi are the bronchiole. There are a primary, bronchious organ pipe, secondary tube and tertiary tube. The bronchial tree is as follows: trachea, primary, secondary, tertiary, and then last to the terminals. Vocabulary The nose- is one of the ways outside air projects the respiratory system. Mouth- is another way outside air can enter the respiratory system. Throat- collects incoming air from the nose and mouth and passes it desc closeing(prenominal) to the trachea. role box- contains the vocal cords. It is the place where moving are being hard out creates voice sounds.

Trachea- is the passage leading from the throat to the lungs. It shared out into the lungs. It divides into the right and left bronchus. Alveoli- are small sacs at the end of the bronchioles. They are the destination of the air we breath in. Ribs- are study that support and protect the che st cavity. They move to a express mail degr! ee helping the lungs to expand and contract. Facts- the right lung is some larger than the left; the surface are of the lungs is roughly the like landing field as a tennis court; a sternutation travels faster then a cough at 100mph vs. scarcely 60mph; 6 billion breathes a year per psyche; the dead body can survive for weeks without food and days without pissing nevertheless only about three minutes without air. consort to The...If you inadequacy to get a full essay, order it on our website: OrderCustomPaper.com

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