May 21st, 2018 Catching Fire by: Suzanne Collins

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Directions: ANSWER USING COMPLETE SENTENCES! Use the information you have been given to answer questions about: The Immune System: Vaccines and Immunity

Level#1: The ability to resist a certain disease is called immunity. People are often born with certain immunities. These are called natural immunities. Acquired immunities are immunities that people develop or acquire over time.

1. What is immunity?




2. What are the immunities that certain people are born with called?




3. What are acquired immunities?

Level#2: The ability to resist a certain disease is called immunity. People are often born with certain immunities. These are called natural immunities. Acquired immunities are immunities that people develop or acquire over time. One type of acquired immunity can occur when a mother passes antibodies for certain diseases to her developing baby. Another form of acquired immunity happens when you are infected with a disease only once. Then, you will not get the disease again. Your body produces antibodies to the disease.

1. What is the ability to resist a certain disease called?

2. What is it called when a person is born with certain immunities?

3. What are acquired immunities?

Level#3: The ability to resist a certain disease is called immunity. People are often born with certain immunities. These are called natural immunities. Acquired immunities are immunities that people develop or acquire over time. One type of acquired immunity can occur when a mother passes antibodies for certain diseases to her developing baby. Another form of acquired immunity happens when you are infected with a disease only once. Then, you will not get the disease again. Your body produces antibodies to the disease. Getting a vaccine is another form of acquired immunity. A vaccine is made from dead or weakened forms of pathogens. After receiving a vaccine, the body develops antibodies for the disease. This vaccination makes the body immune to that disease.

1. Explain the following terms: immunity and natural immunities.

2. Explain what acquired immunities are and how a mother passes it to her child.

3. Explain how it is possible to only get a disease once.

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