1) Endocrine glands are also called ductless glands because they a) A) Have no blood supply b) B) Have no ducts c) Are inactive glands d) D) Release enzymes 2) The hormone secreted by the thyroid gland is a) insuline b) thyroxine c) adernaline d) growth hormone  3) 3. The pituitary gland is called the master gland because it: a) A) Produces digestive enzymes b) B) Controls all body movements c) C) Controls other endocrine glands d) D) Stores hormones 4) 4. Deficiency of iodine in the body causes which disease? a) Diabetes b) goitre c) dwarfism d) gigantism 5) Excess secretion of growth hormone in childhood leads to: a) Dwarfism b) gigantism c) diabetes d) goitre

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