Difference between endocrine and exocrine glands is that

A. endocrine glands release hormones, exocrine glands release waste

B. endocrine glands are interconnected, exocrine glands are totally independent

C. endocrine glands are formed by epithelial tissue, exocrine glands are connective tissues primarily

D. endocrine glands are ductless, exocrine glands release secretions into ducts or at the surface of the body

Answer: endocrine glands are ductless, exocrine glands release secretions into ducts or at the surface of the body