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).
Quick Answer. According to WebMD, a normal blood pressure is lower than 120/80. This means that the systolic number is 120 or lower, and the diastolic number is 80 or lower. The systolic number measures artery pressure when the heart contracts. The diastolic number measures artery pressure between heartbeats.
Doctors will typically use either the fasting plasma glucose test (FPG) or the oral glucose tolerance test (OGTT). These tests require the patient to fast overnight. A normal fasting blood glucose level is below 100 mg/dl-between 100 and 125 mg/dl a person has pre-diabetes.If the blood glucose level rises to 126 mg/dl or above, a person has diabetes. When it comes to the OGTT test, a person's blood glucose is measured after a fast and 2 hours after a drink rich in glucose.octors will typically use either the fasting plasma glucose test (FPG) or the oral glucose tolerance test (OGTT). These tests require the patient to fast overnight. A normal fasting blood glucose level is below 100 mg/dl-between 100 and 125 mg/dl a person has pre-diabetes.