Endocrine glands are ductless glands that make and secrete hormones. Which of the following endocrine glands occur(s) in pairs?
a. Adrenal gland b. Pituitary gland c. Testis d. Ovary
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Endocrine glands are ductless glands that make and secrete hormones. Which of the following endocrine glands occur(s) in pairs?
a. Adrenal gland b. Pituitary gland c. Testis d. Ovary