High Five Facts - Immune System Choca Esos Cinco - Sistema Inmunológico

The video explores five fascinating facts about the immune system. It begins with an overview of how the immune system protects the body from harmful substances like antigens and pathogens. It then explains the two types of immunity: natural and acquired, highlighting their roles in disease prevention and response. The video discusses the vital role of lymphocytes, specifically B and T cells, in the immune response. It also covers how the immune system can overreact to harmless substances, leading to allergies. Finally, it explains how flu symptoms indicate the immune system's active response to infection, with fever playing a crucial role in combating viruses and bacteria.

What are the two main functions of the immune system?

• To produce red blood cells and regulate body temperature

• To prevent diseases from entering the body and attack diseases that have entered

• To control muscle movements and balance

• To digest food and absorb nutrients

Which of the following is an example of natural immunity?

• Memory cells attacking antigens

• Skin blocking pathogens

• Antibody production

• Vaccination

What is the role of B cells in the immune system?

• To regulate body temperature

• To produce red blood cells

• To release antibodies that attack antigens

• To digest harmful bacteria

Why do some people experience allergies?

• Because their immune system overreacts to harmless substances

• Because their immune system is weak

• Because they lack natural immunity

• Because they have a high fever

What does a fever indicate about the immune system's activity?

• The immune system is fighting an infection

• The immune system is inactive

• The body is producing more red blood cells

• The body is dehydrated