2- Parenchymatous pith serves as channels for transport of food material and water from the central part (pith) to peripheral region (cortex ) of the stem.
(2- Parenchymatous pith; serves; as channels for transport of food material and water from the central part (pith) to peripheral region (cortex ) of the stem)
2- Parenchymatous pith
serves
as channels for transport of food material and water from the central part (pith) to peripheral region (cortex ) of the stem