pdf, 117.65 KB
pdf, 117.65 KB
pdf, 120.5 KB
pdf, 120.5 KB

This worksheet covers the physical and chemical barriers we have against pathogens. And also how the immune system works, covering the roles of phagocytosis, antibodies and antitoxins.

Creative Commons "NoDerivatives"

Reviews

4.7

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stonechem

3 years ago
5

Perfect, Thank you so much.

nejohnson

3 years ago
5

Love cognito science videos and even better they come with worksheets. Have used the videos loads but the worksheets twice for remote learning.

shama_zakir_khan_amu_bds

3 years ago
4

Grear

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