If signs of low blood sugar do not improve after you have eaten a snack that has sugar: 1  Get a ride to the emergency room. DO NOT drive yourself. 2  Call a local emergency number (such as 911)
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant. In eudicots, pith is located in the center of the stem.In monocots, it extends also into flowering stems and roots.The pith is encircled by a ring of xylem; the xylem, in turn, is encircled by a ring of phloem.ith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant. In eudicots, pith is located in the center of the stem.
B.Internal Structure of Roots. 1.Cells in the apical meristem divide and then differentiate into root. epidermis, ground tissues, and vascular tissues behind the meristematic. region. a.The root cap protects the apical meristem and pushes through the. soil.b.Cells are torn loose as the root grows..Internal Structure of Roots. 1.Cells in the apical meristem divide and then differentiate into root. epidermis, ground tissues, and vascular tissues behind the meristematic. region. a.The root cap protects the apical meristem and pushes through the. soil.