MCQ
The toad possesses
- ABifid tongue, slippery skin and mucous glands
- BSalivary glands, mucous glands and parotid glands
- ✓Parotid glands, warty skin and semicircular snout
- DSlippery skin, yellow pigment and abundant mucous glands
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$A$. Maintenance of water and electrolyte balance
$B$. Regulation of basal metabolic rate
$C$. Normal rhythm of sleep-wake cycle
$D$. Development of immune system
$E$. Support the process of RBCs formation
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