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

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Question: What is the role of memory cells in the immune system?

Options:

Correct Answer: To remember past infections

Solution:

Memory cells are long-lived cells that remember past infections, allowing for a faster and stronger response upon re-exposure.

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

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

Step 1: Understand that the immune system protects the body from infections.
Step 2: Learn that when the body encounters a germ (like a virus or bacteria), it creates special cells to fight it.
Step 3: Know that some of these cells become memory cells after the infection is cleared.
Step 4: Realize that memory cells stay in the body for a long time, sometimes for years.
Step 5: When the same germ tries to infect the body again, memory cells recognize it quickly.
Step 6: Because memory cells remember the germ, they help the immune system respond faster and stronger than the first time.

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