Context: particularly the nerves and vasculature . so i ' m working on that this afternoon . today we mostly dissected the shoulder , and when the main professor came over to do the question of the day with us he brought an entire human arm from the shoulder to the hand with him and flopped it on top of Alan 's belly . no skin , except on the hand , but all the muscles , joints , bones , and dangly bits .

Question: What class may I currently be in ?
Options:
0. Astronomy
1. Physics
2. Chemistry
3. Anatomy
Answer: 3