A diagram of the human lungs can depict different parts, including the alveoli, bronchi, pleura, diaphragm and bronchioles, notes WebMD.com. Although humans have two lungs, these organs are not identical because the righ... More »

Having water in the lungs is a condition called pulmonary edema, which causes difficulty in obtaining oxygen, explains Healthline. Pulmonary edema commonly occurs due to congestive heart failure, in which the heart fails... More »

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Stage 1 lung cancer is a nonsmall cell cancer that has not spread from the lung to lymph nodes or other organs of the body, according to WebMD. Nonsmall cell lung cancers receive a stage of 1 to 4 based on their severity... More »

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The respiratory system includes several types of tissue, including bronchi and bronchioles, as well as lung interior, pleural membrane and alveoli, according to InnerBody. The epiglottis is a thin piece of tissue coverin... More »

When a person takes a breath, the air enters through the nostrils and continues its passage through the pharynx, larynx, trachea, bronchi, bronchioles, lungs and alveoli. Gas exchange takes place in the alveoli, where ox... More »

The respiratory system is made up of the lungs, trachea, bronchi and diaphragm. These organs help people to breathe. Humans need to breathe to deliver oxygen to the body and rid the body of carbon dioxide, a waste gas th... More »

The human respiratory system consists of the nasal cavity, pharynx, trachea, various divisions of the bronchi and two lungs. Air flows through the nose or the mouth into the pharynx, through the trachea, down the right a... More »