Exploring the Southern Constellations. September 2008 : In the summer of 1865, noted American newspaperman and politician Horace Greeley penned, in an editorial, an admonishment to young civil servants in Washington DC. Greeley urged those who complained of low pay grades in the Capitol area to âGo west, young man!â.
When your muscles can't get enough oxygen during a short burst of exercise, they start to make use of a pathway called lactic acid fermentation, which generates a small three-carbon compound called lactic acid or lactate as a byproduct of glucose breakdown.
Chapter 12- Muscles (Part 2) All or None Principle: The amount of tension produced by an individual muscle cell depends solely on the number of cross-bridge interactions. A muscle fiber at a given resting length that is stimulated to contract will always produce the same amount of tension. There is no mechanism to regulate the amount of tension produced in that contraction: