B Cell
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A white blood cell that makes antibodies, also called a B lymphocyte
Real World Example
Imagine you're trying to find the right key on a crowded keychain to unlock your front door. Just like you search for the specific key to fit the lock, B cells search for the specific invader in the body to produce the right antibody. In this analogy, the keychain represents the B cell, the correct key is the antibody, and the lock is the invader; the B cell 'unlocks' the problem by producing the right antibody to fit and neutralize the invader.
Practice Version
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