PLANTS

PLANTS Outline the pathway of air from the nostrils to the alveoli in the fetal pig. The senseless passages are separated from each other bt the nasal septum. The panache turbinate bones in the sinus area meshing the surface area of the passageways, creating eddy currents that , along with hairs, cilia and mucus, help stand dust in the inhaled air and humidify it. Air enters the nasopharynx from the stern end of the nasal passages, then passes into the pharynx, through the glottis, and into the larynx and in the end the trachea. Air then passes through the voice box and everywhere the vocal cords which vibrate when air passes over them. The law of closure is a sheet of muscle that seperates the abdonimal cavity from the pectoral cavity. The pectoral cavity is divided into three areas by membranes: The right and go away pleural cavities, which surround the lungs, and the pericardial ca vity where the stub is located. The trachea, when it enters the thorax,...If you deficiency to get a full essay, order it on our website: OrderCustomPaper.com

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