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Lesson: Primary and Secondary Immune Responses Biology

In this lesson, we will learn how to compare the primary and secondary immune responses to infection and explain the role of memory cells in the secondary response.

Lesson Plan

Students will be able to

distinguish between a primary and secondary antibody response to an antigen,
explain how T and B memory cells protect against subsequent infections.

Lesson Presentation

Lesson Video

Lesson Explainer

Lesson Playlist

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04:17
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Lesson Worksheet

Q1:

Complete the sentence: are lymphocytes that remain in the circulation for very long periods of time.

Q2:

How do memory T-helper cells provide protection against a second infection of the same virus?

Q3:

Which statement best describes what happens to a memory B cell when it encounters a complementary antigen?