Its action is inactivated in the acid portions of the gastrointestinal tract and is consequentlylimited to the mouth. 3,4,8,12,21 Tissue Repair A tissue repair function is attributed to saliva sinceclinically the bleeding time of oral tissues appears to be shorter than other tissues.
National Language of Costa Rica   Costa Rica's official language is Spanish. On the Caribbean Coast a small minority of Jamaican descendants, less than 100,000, speak a lâ¦ocal version of English called Mekaytelyuw (an English based creole language), and many costarricans can understand and speak a bit of English.
Keep in Mind... 1  Pack an umbrella Even if you're planning to visit during Costa Rica's dry season, don't count on continuous sunshine. 2  Bring small bills The U.S. dollar (USD) is widely accepted in Costa Rica. 3  Look out for Golden Beans Costa Rica has perfected a cup of java.owever, high-end coffee beans are hard to come by since they are commonly exported rather than sold locally. Costa Rica's official currency is the Costa Rica Colon (COLÃ³N). Crc since THE crc To.U. s dollar exchange rate, fluctuates be sure to check what the exchange rate is before you. go