Final answer:
Endocrine glands secrete hormones directly into the bloodstream, while exocrine glands secrete substances onto nearby body surfaces through ducts.
Step-by-step explanation:
Endocrine glands secrete hormones directly into the bloodstream, while exocrine glands secrete substances onto nearby body surfaces through ducts. Examples of exocrine glands include sweat glands and sebaceous glands, which release substances through ducts onto the surface of the skin. The pancreas is an example of an organ that has both endocrine and exocrine functions.