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 farm practices can prevent…Which of the following vertebrae provide…Which of the following surfaces will absorbs radiant…State FOUR physical characteristics in man which…Highly polished silvery surfaces are?