Question

what does the bottom number represent in a blood pressure reading? the pressure in the arteries when the heart is at rest between beats the least important number of the reading the force exerted by the heart when it contracts to pump blood into the arteries

Explanation:

Blood pressure has two values: systolic (top) and diastolic (bottom). Diastolic is the pressure when the heart is at rest between beats. The second option is incorrect as both values are important. The third option describes systolic pressure.

Answer:

The pressure in the arteries when the heart is at rest between beats.