The stigma, which is a reproductive part of the plant where pollen is collected, will close usually within a few seconds of being touched by a pollinator. This prevents further pollen from interacting with the plant unless the stigma reopens, which usually does not occur
Nuestro sistema inmunitario emplea el tiempo de sueño para regenerarse, lo que le permite luchar con eficacia contra contra las toxinas y los gérmenes que de forma continua nos amenazan.
