Question

What structural adaptations of cells in the lining of nose make it possible to keep dust and germs away?
(a) big cells with thin cell membrane and mucus-producing cells
(b) small cells with thin cell membrane
(c) ciliated cells and mucus-producing cells
(d) cells with thin cell membrane and mucus-producing cell

Answer 1

(c) ciliated cells and mucus-producing cells
The lashing movement of the cilia in the nose keeps dust and germs away.