Insulin-like growth factors (IGFs) are classified as:
A. Fat-soluble steroid hormones secreted by the pancreas
B. Small polypeptides that mediate many effects of growth hormone
C. Amine hormones that increase blood glucose
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter 4: Endocrine Responses to Resistance Exercise
DCO Code: 1.F1
NOTE: Image is for illustration purposes, not needed to answer the question.