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
Fort San Cristobal. One of the must-see tourist attractions in San, Puerto Rico, is the Fort San Cristobal. The fort, the largest Spanish fort in the Western hemisphere, was built in 1783 to protect the city against land attacks.ld San Juan. Old San Juan is the oldest settlement within Puerto Rico, and it is the historic colonial section of San Juan, PR. The small, narrow island lies in the north coast of Puerto Rico, and 3 bridges connect the island to the mainland. unknown.