I WONDER - What Does The Immune System Do?

The video tutorial explains that antigens and pathogens, such as viruses, parasites, and bacteria, can make us ill by entering our bodies. It highlights the immune system's dual role in preventing diseases from entering and attacking those that do enter.

What are substances that can make us ill called?

• Hormones

• Antigens

• Antibodies

• Enzymes

Which of the following is NOT a type of pathogen?

• Antigen

• Bacteria

• Parasite

• Virus

What happens when pathogens enter our bodies?

• They can cause us to become sick

• They improve our immune system

• They have no effect

• They are immediately destroyed

How does the immune system protect us from diseases?

• By producing more pathogens

• By stopping diseases from entering and attacking those that do

• By making us immune to all diseases

• By increasing body temperature

What is one of the roles of the immune system?

• To create new pathogens

• To reduce body temperature

• To stop diseases from entering the body

• To increase the number of antigens