Plzzzzzz reply as soon as possible... Belongs to anatomy of plants

On the bark of woody plants, there are some lens-shaped pores present calledlenticels.It functions as a pore allowing for the interchange of gases between the interior tissue and the surrounding air.
The main function of lenticel is to perform gaseous exchange between air and inner tissues.
Often a little transpiration may occur through lenticels.
So ans is C