Instructions 20Q Game: These are similar to full games, but for quizzes larger than 20 questions it will randomly select 20 questions from within the set. This is a quick way to get in some studying of a topic.     
What part of the body fits the following description?
An endocrine gland in the neck, consisting of two lobes connected by an isthmus. Secretes three hormones which primarily influence the metabolic rate and protein synthesis, but they also have many other effects, including effects on development.
parathyroid gland
pituitary gland
pineal gland
thyroid gland