Whats active and passive sentences?

When a sentence is in the active voice, the subject of the sentence is the one doing the action expressed by the verb. In the passive voice, the subject is the person or thing acted on or affected by the verb's action

Active : is the doer of the action example : she eat an apple while the passive: is we done care who did the action like its not important who did the action only the object is important for example: the apple was eaten sometimes we add by her just to not get wrong i hope it helped

Aslender threadlike object or fiber, especially one found in animal or plant structures.