During intensive physical exertion, one of the energy sources for the working muscles is glucose produced as the result of gluconeogenesis. This process is the most intensive in the following organ:

Answer options

1. Stomach
2. Lungs
3. Muscles
4. Liver
5. Brain

Explanation

During intensive physical exertion, one of the energy sources for the working muscles is glucose produced as the result of gluconeogenesis. This process is the most intensive in the following organ:Mostly in the liver. Gluconeogenesis: formation of new glucose. Gluconeogenesis takes place mostly in the liver and sometimes in the cortex of kidneys, intestines, and muscles.