A micrometer is not a unit of measurement. It is a gauge one uses to measure in either millimeters or thousandths of an inch.
Skeletal muscle is striated and voluntrary. Smooth muscle, as is found around the blood vessels and in many organs, is not striated and involuntary. The heart (cardiac muscle) is the only place you have striated involuntary muscle.
7.5 micrometers
Yes
100
The Esophagus has 9 specific layers, if you are healthy. They are: mucosa, saliva, lamina propria, smooth muscle, papillae, muscularis extenma, striated muscle, and adventa.
17,075,270,000,000,000,000,000,000 micrometers
25,400 micrometers
6000 micrometers
730 micrometers
325000 micrometers
750000 micrometers.
50000 micrometers