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.
Siberian Elm. The Siberian elm (Ulmus pumila) is fast-growing, which means it adds 25 or more inches yearly, topping out at 40 to 60 feet tall and from 35 to 50 feet wide. It is hardy in USDA zones 5 through 9.Although this tree grows rapidly, its wood is brittle, making it prone to splitting during wind storms.ative to Japan, Korea and China, the Chinese elm (Ulmus parvifolia), also called the lacebark elm, can grow more than 3 feet each year, topping out at 60 to 80 feet tall. It is hardy in USDA zones 5 through 9. It resists, but is not immune to, Dutch elm disease.