Biological Systems: Open Access

ISSN - 2329-6577


Biology of Respiratory System

The human respiratory system consists of a complex set of organs and tissues that capture oxygen from the environment and transport the oxygen into the lungs. The organs and tissues that comprise the human respiratory system include the nose, pharynx, trachea, and lungs. The respiratory systemstarts at the nose and mouth and continues through the airways and the lungs. Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx. The entrance to the larynx is covered by a small flap of tissue (epiglottis) that automatically closes during swallowing, thus preventing food or drink from entering the airways. The nerve activity that controls breathing arises from impulses transported by nerve fibers passing into the chest cavity and terminating at the rib muscles and diaphragm. These impulses are regulated by the amount of carbon dioxide in the blood: A high carbon dioxide concentration leads to an increased number of nerve impulses and a more rapid breathing rate.

Related Journals of Biology of Respiratory System

Journal of Pulmonary & Respiratory Medicine, Journal of Clinical Respiratory: Open Access, Quarterly Review of Biology, Journal of Experimental Biology, Developmental Biology, Histochemistry and Cell Biology, Immunology and Cell Biology, Journal of Cell Biology

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