The endocrine system is a control system of ductless glands that secrete hormones within specific organs. Hormones act as messengers, and are carried by the bloodstream to different cells in the body, which interpret these messages and act on them.he pancreas is unusual among the body's glands in that it also has a very important endocrine function. Small groups of special cells called islet cells throughout the organ make the hormones of insulin and glucagon.
The island of Manhattan was purchased for wampum. Wampum was used as the main form of Native American Money because it had value as a decorative item, and many Native Americans pierced holes at the top of their wampum and wore them in a belt rather than carrying wampum in a bag.
Native American symbols were like words and often had one or more definitions and/or contained different connotations. Varying from tribe to tribe, it can sometimes be difficult to know their meanings, while others symbols are very clear. With the multiple languages spoken by Native American tribes, symbols or picture writing was often used to convey words and ideas. Symbols were also used to decorate homes, were painted on buffalo hides, and recorded important events of the tribe.