what will happen to a cockroach if it is made to drown in water.
? which of its organ or organ system will stop functioning?

Cockroaches can stay alive in water for as long as 10 minutes. So no organ will fail when kept in water as cockroaches respire through spiracles (openings found on the surface of cockroaches).

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If the cocoroach get soked in water their spiracles get blocked and their respiratory system stops working.
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cockroaches can live without breathing upto 40 min.
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I agree with SRI RANJINI but if only the head is kept in water..then the cockroach can still live no matter how long u keep it...beccause..cockroacehs breathe through holes on their body called spiracles.  Hope it help you...
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