Can someone please answer these for me. ?

What is the difference between bacterial infections and viral infections?

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

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?