U.S. records longest economic expansion in its history. CBC News Posted: Feb 01, 2000 8:31 PM ET Last Updated: Feb 01, 2000 8:31 PM ET. When the opening bell rang at the New York Stock Exchange Tuesday morning, it signified a historic day for the U.S.economy.nd the U.S. will be just the start of a worldwide trend toward higher rates. Economists are nearly united in their belief that the Bank of Canada will match any hike by the Fed. And it's expected the European Central Bank will also push up rates, perhaps as early as this Thursday.
a type of neuron , carries impulses from the sense organs to the central nervous system motor a type of neuron, carries impulses from the central nervous system to muscles and glands interneuron a type of neuron, located in the central nervous system, carries impulses between sensory and motor neurons
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. hormone is a chemical messenger produced by a cell that effects specific change in the cellular activity of other cells (target cells). Unlike exocrine glands (which produce substances such as saliva, milk, stomach acid and digestive enzymes), endocrine glands do not secrete substances into ducts (tubes).