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).
What is the normal blood pressure range in adults? Below is a chart of the various blood pressure ranges â afterwards, we go into the details of what it means to you. If you are concerned you might have high blood pressure, see The Signs of High Blood Pressure. First entry is systolic pressure/second diastolic. Optimal blood pressure: 120/80. Normal: 120-129/80-84.