Answer the following question given this paragraph: 

Endocrine system disorders usually involve the secretion of too much or not enough hormone. For example, a tumor of the adrenal gland may lead to excessive secretion of growth hormone, which causes gigantism. In Type 1 diabetes, the pancreas does not secrete enough insulin, which causes high levels of glucose in the blood.


Q: Which type of diabetes involves the pancreas not secreting enough insulin, which causes high levels of glucose in the blood?

 Choices:

- type 3

- type 2

- non typical

- type 1

A:
type 1
