Best Answer: In humans there are two. Glycogen, which is a long chain carbohydrate made by polymerising glucose molecules together, is stored in the liver and, in small amounts, in the muscles. It provides a fast boost of energy for short intense exercise.
A freshman is 9th grade - 14 - 15 yrs. old. A junior is in the 11th year of school./ A senior is in the 12th and final year of high school. Ages vary but a junior is 16-17 years old and a senior is 17-18 years old. Junior is 11 grade, senior is 12 grade (for high school) A junior would be around 17 and a senior around 18.
A Junior shooter is any shooter 15 - 17 years old. A Sub-junior is any shooter 14 years and under. Any Junior or Sub-junior who has a birthday in the shooting year will finish the year in the age. group he/she started the year in. A Veteran is any shooter 60-69 years old and a senior veteran is.