I WONDER - Are All Bacteria Harmful? Me Pregunto - Son Todas Las Bacterias Perjudiciales?

The video explains that some bacteria, known as pathogens, can be harmful and cause diseases such as pneumonia, tonsillitis, and food intoxication. These pathogens can affect many living things, including animals and plants. They enter the human body through the nose, mouth, or skin cuts, rapidly reproducing and causing infections. The immune system works to combat these diseases and threats.

What are pathogens and how can they be harmful?

List some examples of diseases caused by pathogens.

In what ways can pathogens affect different living organisms?

How do harmful bacteria enter the human body?

What role does the immune system play in fighting diseases caused by pathogens?