From the pictures of proteins or things containing proteins, identify two proteins to research. For each protein, search to find the name, structure (may include a picture), function, and how the structure relates to the function.

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.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons