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 Necklaces. Necklaces date back thousands of years, and have been worn by Native American Indians for numerous reasons. Some of the more popular reasons include status, wealth, and tribal affiliation. Depending on what different tribes' value as far as materials, and the more intricate a necklace is, the more it is valued. Of course status was not the only inspiration for Native American necklaces.