Please solve with explanation

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

Examine the air pressure map. which type of line is shown on the map?

Pulmonary arteries carry highly oxygenated blood. true or false?