General characteristics of hormones are as follows:Hormones are secreted by endocrine cells. Hormones are chemical messengers.The are chemical signals that circulate in the body fluids. The hormones regulate the behavior of the target cells. Hormones, unlike enzymes do not catalyze any reaction.
With a volume of 18,700,000 acre feet (23.1 km3) when full, Fort Peck is the fifth largest artificial lake in the United States. It extends 134 miles (216 km) through central Montana, and its twisting, inlet-studded shoreline has a total length of some 1,520 miles (2,450 km).
The Great Salt Lake is a remnant of a much larger prehistoric lake called Lake Bonneville. At its greatest extent, Lake Bonneville spanned 22,400 square miles (58,000 km2), nearly as large as present-day Lake Michigan, and roughly ten times the area of the Great Salt Lake today.