What is an endocrine function? (apex) a. esophageal glands release mucus into the esophagus b. salivary glands release saliva into mouth c. swear glands release sweat to the skin d. the pineal gland releases melatonin into the bloodstream

The correct answer is option D

the pineal gland releases melatonin into the bloodstream

In the exocrine system the organ releases certain substance other than hormone while in the endocrine system , the organs releases hormones.

In option D, melatonin is a hormone released by pineal gland and thus it is an endocrine function

the answer is D

Explanation:

d.

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for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.