Thoracic cavity. Written By: Thoracic cavity, also called chest cavity, the second largest hollow space of the body. It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the abdominal cavity (the bodyâs largest hollow space) by a muscular and membranous partition, the diaphragm.
San Cristobal cristÃ³bal is A dominican city and the head municipality of The San cristobal. CristÃ³bal province the city is only 26 km from the national, capital and because, of that it is a city where many people live but Work At. santo domingoan Cristobal cristÃ³bal is in a small; valley the valley has small hills around it except along The River. Nigua nigua is the most important river of the; region another river Is yubazo Or, blanco a tributary Of. Nigua the municipality has a total area of.226 52. km2
It is locally known as El Viejo, which translates as the old one.. San Cristobal is a stratovolcano that has a basaltic cone with a flattened top. This cone is built of alternating layers of lava and tephra. These alternating lava layers allowed the volcano to grow large by keeping the tephra layers from eroding.ava from San Cristobal is aa. It is uniformly basaltic with many phenocrysts. These lavas are also very rich in vesicles. Lava flows from San Cristobal are usually between 10 and 13 km in length with a single vent leading to each flow.