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 surfaces will absorbs radiant…State FOUR physical characteristics in man which…Which of the following surfaces will radiate heat…Which of the following surfaces will radiate heat…