2. yarn-a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving. thread. cord-a line made of twisted fibers or threads; the bundle was tied with a cord. cotton-thread made of cotton fibers. dental floss, floss-a soft thread for cleaning the spaces between the teeth.arn. 1. thread made of natural or synthetic fibers and used for knitting and weaving. 2. a continuous strand or thread made from glass, metal, plastic, etc.
The five blood pressure ranges as recognized by the American Heart Association are: 1  Normal blood pressure. Congratulations on having blood pressure numbers that are within the normal (optimal) range of less than 120/80 mm Hg. 2  Prehypertension (early stage high blood pressure)
To read someone's pulse pressure, you subtract the diastolic blood pressure from the systolic blood pressure. Normal values for pulse pressure are between 30 to 40 mmHg. Pulse pressures may vary in several conditions including hypovolemia, bradycardia, and irregular heart beats.ercury is the only metal that is liquid at room temperature, so it is used to determine measurement of thermometers and barometers. The normal range for the pulse pressure is between 30 to 50 mmHg.