Your body has 3 main energy systems (with 2 sub systems): 1  Phosphagen system (consisting of Adenosine Triphosphate system (ATP) and Creatine Phosphate) - ATP is what your body ACTUALLY uses as energy. 2  Glycogen store (glycolytic system or anaerobic system) - is glucose stored in your body.
If you answered, âthe masculine gender is always used when there is a mixed group,â you are already thinking in the same direction as the Spanish language. Rule #3. When there is a group of mixed gender, no matter what the ratio is of females to males and males to females, the group is always referred to as masculine.
The 3 articles in English are a, an and the. The learner has to decide noun-by-noun which one of the articles to use*. In fact, there are 4 choices to make, because sometimes no article is necessary. Native-speakers, of course, use the articles correctly without thinking in everyday spoken language.