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).
Cherokee Lake, also known as Cherokee Reservoir, is a reservoir in Tennessee formed by the impoundment of the Holston River behind Cherokee Dam. The reservoir has a surface area of about 28,780 acres (11,650 ha), a flood-storage capacity of 749,406 acre feet (924,379,000 m3), and nearly 400 miles (640 km) of shoreline. In a normal year, the lake water level fluctuates over a range of about 27 feet (8.2 m). Cherokee Dam is a Tennessee Valley Authority dam intended for hydroelectric generation and flood control. The dam was built on a crash schedule; construction started August 1, 1940, and was completed on December 5, 1941.