The following are the endocrine glands: (A) Thyroid gland (B) Adrenal gland (C) Parotid gland (D) Sublingual gland Choose the most appropriate answer from the options given below:
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Endocrine = hormone-producing, ductless; Exocrine = duct-based, like salivary glands.
Endocrine glands are ductless glands that secrete hormones directly into the bloodstream. Thyroid and adrenal glands are endocrine glands. Parotid and sublingual glands are exocrine glands, producing saliva through ducts.