It is an organelle which helps in appearance of leaf ( color )
When B cells encounter a pathogen, they <span>divide and produce large amounts of an antibody. The correct option among all the options that are given in the question is the second option or option "b". I hope that this is the answer you were looking for and it has actually come to your help.</span>
I believe the answer is B.
También contienen fibras de tejido conectivo que les aporta su elasticidad característica. En el epitelio alveolar se pueden distinguir células planas de tipo I y células en forma de cubo del tipo II. Su función principal es mediar el intercambio gaseoso entre el aire y la sangre.