Malpighian tubules keep floating in haemolymph from where potassium waste diffuses into the tubule. Urate crystals are crystals of uric acid. Thus, cockroach is an uricotelic organism.
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :
Held on 30 Apr 2015 · Verified 9 Jul 2026.
Potassium urate
Urea
Calcium carbonate
Ammonia
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