Anatomy, physiology and hygiene for high schools . ull, atlas, and axis are bound together by ligamentsin a set of loose joints which allow the free motion of thehead. The skull moves back-ward and forward upon itsjoints with the atlas, the atlasbeing held firm on the the head moves around?the atlas moves w^th it, rotat-ing upon the pivot process ofthe atlas. Two ligaments fromthe odontoid process to theskull check this rotary mo-tion. The sacnun lies at the baseof the column. Its five verte-brae are grown together into one bone in the adult. Itsupports the pelvic girdle. Below it ca
Anatomy, physiology and hygiene for high schools . ull, atlas, and axis are bound together by ligamentsin a set of loose joints which allow the free motion of thehead. The skull moves back-ward and forward upon itsjoints with the atlas, the atlasbeing held firm on the the head moves around?the atlas moves w^th it, rotat-ing upon the pivot process ofthe atlas. Two ligaments fromthe odontoid process to theskull check this rotary mo-tion. The sacnun lies at the baseof the column. Its five verte-brae are grown together into one bone in the adult. Itsupports the pelvic girdle. Below it carries the coccyx, whichconsists of four vertebrae formed into one bone. The thorax. Attached to the dorsal vertebrae are the the sternum, which they support, these ribs make thewalls of the thorax (Greek, chest). The rihs are twelve in number. Each rib attaches to adorsal vertebra by one joint with the transverse ribs also attach to the vertebra above their main one. From the spine the ribs sweep round and a little downward. Sacrum, made of five vertebrae.
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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectphysiology
