Ammonia is the main excretory product of a cockroach is ammonia. The excretory organ of a cockroach is called the malpighain tubes.
guanine
ammonia
Ammonia is the primary nitrogenous excretory product of urination. It is the main excretory product of animals. Water animals tend to be more tolerant of high ammonia blood levels than land animals.
Although it is not an "excretory product", oxygen is a byproduct of photosynthesis
raphid
kidney
poo and pee
Urea and Ammonia- Dev Mehta
yes
Uric acid
Latex