Anatomy & Physiology. Monday, July 9, 2012. Homeostatic Control Mechanisms. Homeostatic Control Mechanisms are devices for maintaining or restoring homeostasis. They involve virtually all of the bodyâs organs and systems.
Current local time in San Juan, Puerto Rico with information about San Juan, Puerto Rico time zones and daylight saving time.
Also in Old San Juan is San Cristobal Fort (tours from 10 a.m. to 2 p.m.), which was built in 1771. On weekends, the grounds of both forts are thick with locals flying kites. Take a tour of La Fortaleza (9 a.m. to 11 a.m. and 1 p.m. to 3 p.m.). Visit the Catedral de San Juan, which dates back to 1540.