Reabsorbtion. Occuring more commonly within the nephron system than filtration, this is a form of active transport which takes the the useful substances for the body from the tubules and places them back into the blood filled capillaries.
Oleanders are shrubs, but they are _big_ shrubs. Most of the varieties in cultivation top out at 8 to 12 feet tall and about the same width. The wild form, and some of the older cultivars used for windbreaks top out at 20 x 20 feet.
Oleander Care. When planted in soil with a proper pH, oleanders will grow from 3 to 20 feet tall and up to 10 feet wide. These adaptable evergreens are hardy in U.S. Department of Agriculture plant hardiness zones 9 to 11 and can thrive in a range of conditions, including drought, salt, and poor and sandy soil.he oleander (Nerium oleander) grows as a rounded shrub, but it can also be trained as a small tree. These multibranched evergreens have dense, dark foliage that makes a thick screen; theyâre often used to define borders in home landscapes or add privacy to the yard.