1 Motor neurons (motoneurons) carry signals from the central nervous system to the outer parts (muscles, skin, glands) of your body. 2  Receptors sense the environment (chemicals, light, sound, touch) and encode this information into electrochemical messages that are transmitted by sensory neurons.
The all-time single-season record for the lowest ERA, according to www.mlb.com, the official website of Major League Baseball, is held by Dutch Leonard, who in 1914 had an earned run average of 0.96, pitching 224.2 innings with a win-loss record of 19-5.
Ty Cobb of the Detroit Tigers, who also holds the highest career batting average of .366, led the AL in average in 11 (or 12) seasons. Honus Wagner and Gwynn are tied for the second-most titles, with eight apiece in the NL.