MCQ
Select the Incorrect match:
- APhysical barrier - Mucus coating of the epithelium lining Respiratory tract
- BPhysiological barrier - Saliva in the mouth
- CCellular barrier - Leucocytes
- ✓Cytokine barrier - Macrophage in tissues
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class - Character
$(I)$. pre and postsynaptic neurons are in very close proximity
$(II)$. pre and postsynaptic neurons are separated by synaptic cleft
$(III)$. impulse transmission is very fast
$(IV)$. electrical synapses are common in our system
Select the correct option