A
Endocrine glands are all interconnected; whereas exocrine glands act completely independently
B
Endocrine glands release hormones, whereas exocrine glands release waste
C
Endocrine glands are formed by epithelial tissue, but exocrine glands are primarily connective tissue
D
Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts
