The idea of finding and raising the Titanic was thought of very soon after the sinking of the vessel. However, the first successful attempt at locating the Titanic Wreck was in 1985 by a French and American expedition led by Jean-Louis Michel and Dr. Robert Ballard.
The higher the pressure, the harder the heart has to pump. Normal adult blood pressure is defined as a blood pressure of 120 mm Hg1 when the heart beats (systolic) and a blood pressure of 80 mm Hg when the heart relaxes (diastolic).
Normal blood pressure is below 120/80; blood pressure between 120/80 and 139/89 is called pre-hypertension, and a blood pressure of 140/90 or above is considered high while a systolic blood pressure of about 90 to 100 is considered low blood pressure.