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.
In some countries, like the Netherlands and Bosnia and Herzegovina, the average man is just over 6 feet tall. In many others, including many countries in Southeast Asia, such as Indonesia, Vietnam, and the Philippines, the average height is 5 feet 4 1/2 inches or less.