Lessons in Hygiene, Or, the Human Body and How to Take Care of It; The Elements of Anatomy, Physiology, and Hygiene for Intermediate Grades Being an E - Softcover

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: ...bottom of the trunk, and gives shape to that part of the body. It furnishes a solid part upon which the spinal column may rest to support the upper part of the body, and is itself supported upon the large bones of the thighs, or upper parts of the lower limbs. It is thus one of the most important parts of the frame-work of the body. It is formed of four large bones firmly united and arranged in the form of a basin. Attached to the pelvis, and extending up the middle of the back to the head, is the spinal column, or backbone. It is made up of twenty-four small, flat bones Strictly, the shoulder-blade and the collar-bone form a class by themselves. "The Upper Extremity consists of the Arm, the Forearm, and the Hand.... The Shoulder is placed upon the upper part and side of the chest, connecting the upper extremity with the trunk; it consists of two bones, the Clavicle and the Scapula." (Gray's M Anatomy.") called vertebrae placed one upon another with a pad of rubber-like cartilage between each two. The spine is the main connecting struct-ure of bone in the body. It holds the trunk in position, and contains a channel through which passes the spinal cord, which, next to the brain, is the most important part of the nervous Fig.23.--The pelvis, show-System.")" ing the hip-joint and the he Hbs, twentv-relative positions of the. J spine and the femur. four in number, are in pairs inclosing the chest. They are attached to the spinal column by a kind of joint which allows them to move up and down enough for the purpose of breathing. In front the upper seven pairs are attached to a strong, flat bone extending up and down and called the breast-bone. Of the vertebrae, seven belong to the neck, twelve to the back, and five to the...

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