Hyponatremia refers to a low level of sodium in the blood. Hyponatremia may result from excess fluid in the body relative to a normal amount of sodium, or it may be due to a loss of sodium and body fluid. Symptoms are nonspecific and can include: mental changes, headache, nausea and.
A third plane, American Airlines Flight 77, hit the western side of the Pentagon, just outside Washington, D.C. The fourth hijacked plane, United Airlines Flight 93, crashed down in a field in rural Pennsylvania, never reaching its intended target because its crew and passengers fought back against the terrorists.
At 8:46 a.m., five hijackers crashed American Airlines Flight 11 into the northern faÃ§ade of the World Trade Center's North Tower (1 WTC), and at 9:03 a.m., another five hijackers crashed United Airlines Flight 175 into the southern faÃ§ade of the South Tower (2 WTC).