How understanding your body’s aerobic and anaerobic energy systems can help you to train smarter and run better ...

Breathing in is called inhaling ... occurs in the presence of oxygen and in most cells most of the time. Anaerobic respiration occurs without oxygen and much less frequently than aerobic respiration.

Essentially the anaerobic system is the one you’re using most when you start huffing and puffing to climb a tough hill, or ...

The microbial communities that live in Yellowstone National Park are diverse and complex. The park is home to numerous fumaroles, geysers, and mud pots... | Cell And Molecular Biology ...