Which one of the following pair of organs includes
only the endocrine glands?
(a) Thymus and testes
(b) Adrenal and ovary
(c) Parathyroid and adrenal
(d) Pancreas and parathyroid
only the endocrine glands?
(a) Thymus and testes
(b) Adrenal and ovary
(c) Parathyroid and adrenal
(d) Pancreas and parathyroid