140/83 is mine
The first number is the the systolic blood pressure. This is the pressure in your blood vessels when the heart beats
The second number is the diastolic blood pressure. This is the pressure in your blood vessels when the heart is very briefly resting in between beats
Systolic blood pressure should be less than 140. Diastolic blood pressure should be less than 83.
Your blood pressure is not bad, but if it gets a little higher then you might need medications.

its where your heart beats when they release the air from the thing that pressurizes your blood, your heart beats when the needle is at 140 and then again when the needle is at 83
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Doctor
The first number is the the systolic blood pressure. This is the pressure in your blood vessels when the heart beats
The second number is the diastolic blood pressure. This is the pressure in your blood vessels when the heart is very briefly resting in between beats
Systolic blood pressure should be less than 140. Diastolic blood pressure should be less than 83.
Your blood pressure is not bad, but if it gets a little higher then you might need medications.
References :
The top number is your blood pressure when you heart is contracted, that is pushing blood out to your extremities, and the bottom number is your blood pressure when you heart is at rest.
The numbers are measured in an old measurement of pressure called millimetres of mercury (mmHg).
References :
http://en.wikipedia.org/wiki/Blood_pressure
The higher (systolic) number represents the pressure while the heart contracts to pump blood to the body.
The lower (diastolic) number represents the pressure when the heart relaxes between beats.
References :
“Blood pressure” is the force of blood pushing against the walls of the arteries as the heart pumps out blood.
The normal adult blood pressure is 120/80. The top number is the systolic. (120) The bottom number is the diastolic. (80).
Systolic: The blood pressure when the heart is contracting. "Systolic" comes from the Greek systole meaning "a drawing together or a contraction." The term has been in use since the 16th century to denote the contraction of the heart muscle.
Diastolic: Referring to the time when the heart is in a period of relaxation and dilatation (expansion). "Diastolic" came from the Greek diastole meaning "a drawing apart." The term has been in use since the 16th century to denote the period of relaxation of the heart muscle.
Sum it up: Blood pressure numbers include systolic and diastolic pressures. Systolic blood pressure is the pressure when the heart beats while pumping blood. Diastolic blood pressure is the pressure when the heart is at rest between beats.
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