(B) -lymphocytes: These cells produce specific proteins called antibodies in response to pathogens and release them into the blood to neutralize them.

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$B$-lymphocytes produce antibodies; $T$-lymphocytes help $B$-lymphocytes produce antibodies.

(B) -lymphocytes: These cells produce specific proteins called antibodies in response to pathogens and release them into the blood to neutralize them.$T$-lymphocytes: These cells do not secrete antibodies themselves but help $B$-lymphocytes to produce antibodies and also mediate cell-mediated immunity.

Class 12 Biology Human Health and Disease Immunity

Easy

Define and explain the functions of $B$-lymphocytes and $T$-lymphocytes.

A
$B$-lymphocytes produce antibodies; $T$-lymphocytes produce antigens.
B
$B$-lymphocytes produce antibodies; $T$-lymphocytes help $B$-lymphocytes produce antibodies.
C
$B$-lymphocytes kill pathogens directly; $T$-lymphocytes produce antibodies.
D
$B$-lymphocytes help $T$-lymphocytes; $T$-lymphocytes produce antibodies.