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.
As of the start of the 2009 season, the active MLB player with the highest batting average is Albert Pujols of the St. Louis Cardinals at .334. Ichiro Suzuki of the Mariners iâ¦s second at .331 and Todd Helton of the Rockies is third at .328.    The highest all time career MLB batting average is Ty Cobb at .366.