List FOUR characteristics of respiratory surfaces. – NABTEB QUESTION by Sunday | Sep 20 | NABTEB QUESTIONS | 0 comments Thin wet/moist vascularized; ciliated, smooth. Users Also Read These:Which of the following surfaces will radiate heat…The surfaces of conveyor belts are made rough so as to?Highly polished silvery surfaces are?Which of the following vertebrae provide…Which of the following colours of surfaces will…