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:Which of the following diseases is caused by…Which of the following diseases results from the…Artworks that are produced to serve a utilitarian…The production possibility curve (PPC) indicates…Explain the function and effect of over and under…