Which part of the cell membrane does not mix with water

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

What are two examples of conduction that we use everyday

What is the problem in this article? what solution does the article propose?