If you blow it up and hold it without trying it that's your area of "high pressure" and the air outside the balloon is "low ...

Low blood pressure with no symptoms is rarely a cause for concern. If you also experience dizziness, shortness of breath, or fainting, seek medical attention. Blood pressure is a measure of the ...

More: What ERCOT says to set thermostat to during winter — 8 simple ways to keep your home warm As temperatures rise, warm air can cause expansion in the tire and increasing the pressure.