MCQ
Double circulation is
- APassage of blood twice in heart through the same way
- BPassage of blood twice in heart through the unique way
- ✓Passage of blood twice in heart through the separate way
- DNone of the above
$(i)$ Pulmonary pathway $(ii)$ Systemic pathway
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$I$. Avoid sex with unknown
$II$. Avoid sex with multiple partner
$III$. Do protected sex
$IV$. Avoid sharing needle