An immune disorder is a malfunction of the immune system. Immune disorders are often caused by inherited mutations or even acquired from someone else. Immune disorder can cause infections to different parts of the body and misdevelop the internal organs.
A wind blown sedimentary deposit, which is buff or yellowish brown in color and erodes easily is called LOESS.
Loess is a loosely compacted yellowish deposit of wind blown sediment; an extensive deposits of loess is found in China. Loess is homogeneous and porous.
