Insulin is produced by the? by Sunday | May 14 | Biology WAEC | 0 comments A. adrenal gland B. thyroid gland C. pituitary gland D. pancreas Correct Answer: Option D D. pancreas Users Also Read These:Captions used to enhance television announcements…A cross between two parents produced four…Deficiency in insulin could lead to?Use the diagram below to answer this question.…The effect produced by the combination of light,…