Human Anatomy
Our section on human anatomy contains articles on each organ and its structure so that our readers can better understand the cells that are the targets of gene therapy and the difficulties confronted in order to target genes into these structures. We particular encourage lecturers in anatomy and physiology to contribute to this section.
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The Human Lung
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- Category: Human Anatomy
- Published on Saturday, 08 November 2008 14:39
- Hits: 6833
The human lungs are the organs of respiration in humans. Humans have two lungs, with the left being divided into two lobes and the right into three lobes. Together, the lungs contain approximately 2400 km of airways and 300 to 500 million alveoli, having a total surface area of about 70 square metres in adults. Furthermore, if all of the capillaries that surround the alveoli were unwound and laid end to end, they would extend for about 992 km. Each lung weighs 1.1 kilograms, therefore making the entire organ about 2.3 kilograms.
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