What role do plasmodesmata play in plant cells? see section 11.2 ( page 239) ?

Plasmodesma are tiny highway like channels in plant cell walls that allow the cells to transport and communicate between themselves. The plasmodesma allows the apoplastic and symplastic channels of one cell to connect to another individual cell.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the