Definition of ABSTRACT EXPRESSIONISM. : an artistic movement of the mid-20th century comprising diverse styles and techniques and emphasizing especially an artist's liberty to convey attitudes and emotions through nontraditional and usually nonrepresentational means. â abstract expressionist noun or adjective often capitalized A&E.ADVERTISEMENT. an artistic movement of the mid-20th century comprising diverse styles and techniques and emphasizing especially an artist's liberty to convey attitudes and emotions through nontraditional and usually nonrepresentational means.
SEM Micrograph of Red Blood Cells, Which are About 5 microns in Diameter. A micron is an abbreviated term for micrometer, or a millionth of a meter (1/1,000,000 meters). This is about .00004 inches. For Size comparison, a human red blood cell is about 5 microns across. A human hair is about 75 microns across (depending on the person). Bacteria can be between about .2 microns and 3 microns in size.
Rating Newest Oldest. Best Answer: Human hair varies considerably in thickness; however, 100 micrometers is generally taken as the average. Cell sizes vary, too, but the average hair cell is 10 micrometers across.On that basis, I'd say the average human hair is about 10 cells thick.Source(s): http://science.education.nih.gov/supplem...ating Newest Oldest. Best Answer: Human hair varies considerably in thickness; however, 100 micrometers is generally taken as the average. Cell sizes vary, too, but the average hair cell is 10 micrometers across.