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At the practical Anatomy class we study the human body. The principle parts of the human body are the head, the trunk and the limbs (extremities). We speak of the upper extremities (arms) and the lower extremities (legs). The head consists of two parts: the skull which contains the brain, and the face which consists of the fore-, the eyes, the nose, the mouth, the cheeks, the ears and the chin. The upper brorder of the head is the fore-he lower is the chinthe skullconsists of thefrontal, temporal, parietal and occipital bones. The cavitie with the skull are the nasal, oral, the two orbits, the auditory canal and the largestcranial caviti containing the brain. The head is covered with hair. the era includes three principal parts: the external ear, the ear midule and the internal ear. The external part is an earlobe. The internal parts of the ear are semicircular canal, anvil, stirrup, cochlea, Eustachian tube, hammer, auditory nerve and the external auditory canal.The eye consists of the sclera, a tough outer layer, cornea, the crystal clear curved part, the iris colored part behind the cornea, pupil, the round opening in the iris which allows light to enter. The external parts are lashes, lids, the eye-brows.The mouth has two lips; an upper lip and a lower lip. In the mouth there are gums with teeth, the tongue and the palate. The head is connected with the trunk by the neck. The upper part of the trunk is the chest and the lower one is the abdomen. The principle organs in the chest are the lungs, the heart and the gullet (esophagus). We breathe with the lungs. The heart contracts and makes 60-80 beats per minute. The principle organs in the abdominal cavity are the stomach, the liver, the spleen, the intestine, the kidneys, the gall-bladder and the bladder. The framework of the bones is called the skeleton; it supports the soft parts and protects the organs form injury. The bones are covered with muscles. The upper extremity is connected with the chest by the shoulder or shoulder girdle. Each arm consists of the upper arm, forearm, elbow, wrist and hand. We have four fingers and a thumb on each hand.
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