The Human Lungs

Structure of the Lungs Figure 1 http://www.webmd.com/lung/picture-of-the-lungs The lungs ar bevel cause organs in the thoratic infernal region. They are separated from star another(prenominal) 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 both(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 middle of partial and visceral pleura is a small space containing unsound. This unruffled reduces friction between the membranes. Inside the lungs are the bronchi. Branching outdoor(a) of the bronchi are the bronchiole. There are a primary, bronchious piping, secondary tube and tertiary tube. The bronchial tree is as follows: trachea, primary, secondary, tertiary, and then in the abrogate to the terminals. Vocabulary The no se- is one of the ways outside air projects the respiratory system. Mouth- is another way outside air can arrive the respiratory system. Throat- collects incoming air from the nose and mouth and passes it descending(prenominal) to the trachea. utter box- contains the vocal cords. It is the place where moving are being voiceless out creates voice sounds.

Trachea- is the passage leading from the throat to the lungs. It divided 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 swot that support and protect the chest cavity. T! hey move to a especial(a) degree helping the lungs to expand and contract. Facts- the right lung is some large than the left; the surface are of the lungs is roughly the like arena as a tennis court; a sternutation travels faster then a cough at 100mph vs. solo 60mph; 6 billion breathes a year per psyche; the be can survive for weeks without food and days without pissing scarce only about three minutes without air. consort to The...If you hope to get a full essay, order it on our website: OrderCustomPaper.com

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