Celula encargada del desdoblamiento de material disuelto en las células, por medio de enzimas encargadas de reciclar todo todos el material químico disponible

Would really appreciate it, i have an idea but not completely sure

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

Which direction does the energy flow in this energy pyramid ?