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The epiglottis is a leaf-shaped flexible flap of cartilage located behind the tongue at the end of the larynx. One of the main function of the epiglottis is to protect the body from chocking by sealing the windpipe during eating, so the food is inhaled accidentally. Structure

Lungs (Pulmones)

The lungs or pulmones are the primary organs of respiration. The 2 lungs (left and right) are situated in the thoracic cavity, 1 on either side of the mediastinum enclosed in the pleural sac. The primary function of lungs would be to oxygenate the blood, i.e., exchange


The Heart is a hollow muscular organ situated in the mediastinum of the thoracic cavity, enclosed in the pericardium. It’s somewhat pyramidal in shape and placed obliquely behind the sternum and adjoining parts of costal cartilages so that 1/3rd of the heart is to the right of

Pulmonary Trunk – Origin, Course, Connection and Branches

Origin The Pulmonary Trunk is about 5 cm long and originates from the upper part (infundibulum) of the right ventricle in the level of the sternal end of left 3rd costal cartilage. Course After arising from infundibulum in the middle mediastinum, it enters backwards and to the


The Thymus is a bi-lobed lymphoid organ situated in the superior mediastinum and frequently extends above in the root of neck and below in the upper part of anterior mediastinum. The upper extent of the thymus can reach into the neck as high as the thyroid gland;

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