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).
Tulare Lake was written about by Mark Twain. Once the largest freshwater lake west of the Great Lakes, in 1849, the lake was 1,476 km 2 (570 sq mi), and in 1879, 1,780 km 2 (690 sq mi), as its size fluctuated due to varying levels of rainfall and snowfall.