Cells destroy body cells infected by a virus or bacteria.

Me with these questions if you’re it sure don’t answer

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

In each transformation of energy , some energy what?