Respiratory System Respiratory System The respiratory organisation consists of a series of tubes that air passes on its journey from the nostrils. The nostrils dissolve into the pinched cavities, which argon lined with moist eiliateol epithelium. Whether one breathes done with(predicate) the nose or the mouth, a breath of air enters the body and flows through the bony cavity to the pharynx (throat). The back of the nasal cavities is continuous with the throat region, or pharying. Air flows through the voice box (voice box) and into the trachea, which divides into two bronchi, one going to each lung.
The trachea and bronchi are supported by C-shaped rings of cartilage that prevent the tubes from collapsing as air is drawn into the body. The bronchi divide into thousands of bronchioles. The smallest bronchioles end in clusters of microscopical air sacs or alveoli. From them, oxygen diffuses into the blood of the multitude of capillaries embrace each air sac. At the same time, carbon dio...If you bunch to get a full essay, order it on our website:
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