What is immunity?
Q: What is immunity?
A: Immunity is the ability of the body to protect itself from foreign bodies, such as infections, dust, and cancer cells.
Q: What are the two types of immunity?
A: The two types of immunity are innate immunity and adaptive immunity.
Q: What does innate immunity do?
A: Innate immunity protects the host against infection but does not have a memory, so it does not provide long-term immunity.
Q: What does adaptive immunity do?
A: Adaptive immunity has a kind of memory, so it provides long-term protection against specific pathogens.
Q: Can all animals, plants, and fungi have innate immunity?
A: Yes, all animals, plants, and fungi have some innate immunity.
Q: What does a vaccination do?
A: A vaccination injects some dead or weakened virus or bacteria that causes the disease, which allows the body to learn how the virus/bacteria harms the body and react more quickly to fight it when it comes into contact with the virus/bacteria again.
Q: How does the body trap certain viruses/bacteria?
A: When the body has defended itself against a virus/bacteria, it will trap certain viruses/bacteria in a "net" so that when the virus/bacteria comes back, it will be easier to trap those viruses/bacteria too.
