UHC is a three letter acronym that may designate one of the following: 1  Universal health care or Universal health coverage. 2  Unburned hydrocarbon. 3  Unicorn Hobby Company.  University Hospitals of 1  Cleveland. United Healthcare, a large health insurer in the  U.S.
When you have finished this page, try the Roots Quiz. The root is the part of a plant that is usually found underground but can also be above ground. Roots' jobs are: To absorb or take in water and minerals from the ground. To hold the plant in place. To store food for the plant. To prevent soil erosion.
The root system is comprised of the main root (or roots); the root hairs, which are very small but numerous structures that absorb water and nutrients from the ground; the lateral roots, which are any roots that branch off of the main root; and the root cap, which provides protection for the growing part of the root.