MCQ
Closed circulatory system occurs in:
- ACockroach.
- ✓Tadpole$/$fish.
- CMosquito.
- DHouse fly.
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$A$. Basophils are most abundant cells of the total WBCs
$B$. Basophils secrete histamine, serotonin and heparin
$C$. Basophils are involved in inflammatory response
$D$. Basophils have kidney shaped nudeus
$E$. Basophils are agranulocytes
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