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.
What is the highest single season batting average in MLB history?   Pre 1900: Hugh Duffy of the Boston Braves hit .440 in 1894.   After 1900: Napolean LaJoie of the Philadelphia Phillies hit .426 in 1901.