which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides…

which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides transport as its main function?\ncell membrane\nendoplasmic reticulum\ncentriole\ncell wall
Answer
Brief Explanations:
The endoplasmic reticulum is a network of tubes, sacs and vesicles in a cell for transport. The cell - membrane is for protection and regulation of substances in and out of the cell. Centrioles are involved in cell division. The cell - wall provides structural support and protection in plant cells.
Answer:
B. endoplasmic reticulum