Question

question 5 of 10 which is an endocrine function? a. adrenal glands release adrenaline into the blood. b. pyloric glands release mucus to the stomach. c. esophageal glands release mucus into the esophagus. d. salivary glands release saliva into the mouth.

Explanation:

Endocrine functions involve glands secreting hormones directly into the bloodstream. Adrenaline is a hormone, and the adrenal glands secrete it directly into the blood, which is an endocrine - related action. The other options involve glands releasing substances (mucus or saliva) into body cavities or organs, which are exocrine functions.

Answer:

A. Adrenal glands release adrenaline into the blood.