During an experiment readings for blood pressure in a person's body were found to be constant. However, when measured by a
different blood pressure cuff, the readings differed by 15 points for each reading. This difference indicates that the results are
but not

By the body's response to small changes in daily life, such as stress, lack of sleep, exercise, and so on.

Explanation:

Blood pressure refers to the pressure experienced by blood in the arteries when blood is pumped by the heart to all members of the human body. Blood pressure is made by taking two measurements and is usually measured as follows - 120/80 mmHg. The top number (120) indicates the upward pressure of the arteries due to heart rate and is called systolic pressure. The bottom number (80) shows the pressure when the heart is resting between pumping and is called diastolic pressure. The best time to measure blood pressure is when you are resting and sitting or lying down.

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