<span>The oral cavity is a fearsome orifice demanding constant gratification and full 1) of microorganisms, some 2) of which are potentially harmful. The oral mucosa is highly resistant 3) to its indigenous flora and has many defences including the comprehensive suppression 4) with potential pathogens 5) by microorganisms 6) of low virulence. Saliva also has its antibacterial effect. But any lowering 7) of these defences potentiates oral infection.</span>
Айм э хорс ! тоже самое . энд ай кэн джемп оф корс . лук эт ми. тоже самое, ай эмоции это Кэт,......-...
Why do people cut down trees?
What do people build?
Who cuts trees down?
Do people cut down a lot of trees?
Why can’t people build farms, homes and roads without cutting trees down?