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.
Average height for males: 69.2 inches: 5 ft 9.2 inches. Average height for females: 63.8. 5 ft 3.8 inches. Standard Deviation for males & females is 2.8 inches. Males are about 5 inches taller than females, both have the same standard deviation.*Information taken from National Health and Nutrition Examination Survey. Other countries. Certain cultures discourage males from marrying taller females.tandard Deviation for males & females is 2.8 inches. Males are about 5 inches taller than females, both have the same standard deviation. *Information taken from National Health and Nutrition Examination Survey. Other countries. Certain cultures discourage males from marrying taller females.