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.
Millions of people worldwide speak Spanish and it is the most widely spoken Romance language (Iberian Romance language). Spanish spoken in Nicaragua is a different dialect to that spoken in Spain. Certain words may differ as well as pronunciation. However, people who speak any form of Spanish will be able to communicate effectively in Nicaragua.