MEDIUM
Earn 100

An example of chemical barrier present in human body is
(a)Tear
(b)Saliva
(c)Sweat
(d)All of these

50% studentsanswered this correctly
Important Questions on Aids to Health and Health Organisations
MEDIUM
Explain the following term:
Immunity

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Unscramble the words below:
1. iitmimaounzn
2. saeesid
3. eobaummcincl
4. ivcacsne
5. hydbsraetoacr

MEDIUM

MEDIUM

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HARD

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