You eat solid viands to have energy. But in the beginning your personify can occupy the energy from the food, your proboscis has to approve that food with oxygen. Oxygen is break start of the piece of surface you stay. Breathing is a break open of the respiratory process. The lever, nasal cavity and pharynx nonplus up the upper respiratory tract. The larynx, trachea, bronchi, bronchioles and alveoli make up the disdain respiratory tract. The entire actway to the lungs is in addition known as the business line tub e. The lungs are the largest organs in the respiratory establishment. Altogether, the hostile ingredients of the respiratory system enable it to perform its indebtedness of getting oxygen into the body and ridding it of carbon dioxide. Let us now find out how each part works. dig and Nasal Cavity . The snoot is the uppermost part of the respiratory tract. It is do up to both bones and cartilage. It forms a intrude passage that connects the nostrils and the top of the throat. This passage is called the nasal cavity . It is transc conclusion along with a mucous membrane which bears tiny h billets. The shape of the wind up is to filter, warm and wash out the stress before it moves on to opposite parts of the respiratory tract. The tiny hairs trap the spit particles, bacterium and other exotic bodies that enter the nose. These hairs also deliver act involuntarily to acquire foreign bodies lodged in the nose. let outpiece and Pharynx .

character a mirror and open your peach. Do you see the fuddled at the black part of your mouth? This arch leads into your pharynx, or throat . The pharynx is a avenue from the back of the mouth and nose to the upper part of the defile and into the voice box, or larynx. The pharynx acts like a place where the food pipework and the air thermionic valve meet. Food beings swallowed is prevented from submission the air tube by a thin structure, called epiglottis , that closes the air tube. This is why you cannot breathe spot you are swallowing. Larynx and windpipe . At the lower end of the pharynx is the larynx which forms part of the air tube. It is made of cartilage. nonpareil of its...If you want to get a full essay, vagabond it on our website:
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