An AC system has many components: compressor, condenser, receiver dryer, evaporator, and hoses. The compressor, the âheartâ of the carâs air conditioning system works like a pump taking refrigerant, (R-12 in older cars, R-134a in 1995 and newer cars) and pressurizing it, passing it along to the evaporator. The AC compressor has several moving parts (including pistons and valves).
They vary throughout the day. (Click here for a blood sugar chart.) For someone without diabetes, a fasting blood sugar on awakening should be under 100 mg/dl. Before-meal normal sugars are 70â99 mg/dl. âPostprandialâ sugars taken two hours after meals should be less than 140 mg/dl. Those are the normal numbers for someone without diabetes.
Your doctor will give you a blood pressure goal. An example of a goal is to keep blood pressure below 140/90. Your goal may be lower or higher based on your health and age. Your blood pressure goal can help you prevent problems caused by high blood pressure. You may have to take more than one medicine to find the right mix to lower your blood pressure. 2  You will still need to make lifestyle changes to lower your risk of heart attack and stroke. 3  Medicines help control your blood pressure and lower your risk of heart attack and stroke.