Original: An example of normal measured values for a resting , healthy adult human is 115 mmHg systolic and 75 mmHg diastolic ( written as 115/75 mmHg , and spoken [ in the US ] as '' one fifteen over seventy-five '' ) .
Simplified: Typical values for a resting , healthy adult human are about 110 mmHg systolic and 70 mmHg diastolic ( written as 110/70 mmHg ) .