Question

The opening in the bark of tree through which exchange of gases takes place​

Answer 1

Answer:

In woody stems, there is a special organ called lenticels which helps in the respiratory exchange of gases. Lenticels are the tissue which consists of large intercellular spaces in the periderms layer. The tissues are porous in nature and functions as a pore which helps in direct exchange of gases in the woody stems.

Answer 2

Answer:

oxygen and carbon dioxide