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.
After each hitter faced the pitcher's WHIP will either go up or down. Taking the same situation in the preceding paragraph one pitcher will have a WHIP of 0.00. The other pitcher who gave up three hits and no runs will have a WHIP of 3.00. Yet both pitcher's E.R.A. for that inning is 0.00.