The following steps are involved in muscle contraction: (1) The sequence of events leading to contraction is initiated somewhere in the central nervous system, either as voluntary activity from the brain or as reflex activity from the spinal cord.
The average Mexican man weighs 165 pounds and stands 5 feet 4 1/2 inches tall, while the median figures for Mexican women are 151 pounds and 5 feet 2 inches, according to a study released by a group representing Mexico's clothing industry.
As of 2010, the average height for the adult American male is around 69.7 inches. This translates into roughly 5 foot 9 inches.If you wish to display it in the metric system, the figures show an average height of 177 cm.s of 2010, the average height for the adult American male is around 69.7 inches. This translates into roughly 5 foot 9 inches.