The answer is bulimia nervosa :)
Answer: produces estrogen - ovaries
Develops the immune system in childhood - thymus
Explanation:
You should not puncture a blister unless it is large, painful, or likely to be further irritated.
Your body can then produce the most effective weapons against the invaders, which may be bacteria, viruses or parasites. Other types of T-cells recognise and kill virus-infectedcells directly. Some help B-cells to make antibodies, which circulate and bind to antigens. A T-cell (orange) killing a cancer cell (mauve).