VACCINES
CLASS 9 & 10 · BIOLOGY
How Vaccines Protect You
vaccine
white blood cell
Y
Y
Y
Y
Y
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memory cells ✔
antibodies
vaccine
real germ
fast + strong!
STEP 1
prostudypk.com · free MCQ tests
REMEMBER
Practice for your immunity
Antibodies attack a specific germ
Memory cells give long-term protection
Vaccines stopped polio and smallpox
Free test → prostudypk.com
CLASS 9 & 10 · BIOLOGY
How does a tiny injection protect you for years?
Vaccines in 25 seconds
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