Which of the following is correct for the common cockroach?
Malpighian tubules are excreatory organs projecting out from the colon
Oxygen is transported by haemoglobin in blood
Nitrogenous excretory product is urea
The food is grinded by mandibles and gizzards
As we have learned
Malphigian tubules -
At the junction of midgut and hindgut, another ring of 100-150 yellow coloured thin filaments Malphigian tubules are present. They help in removal of excretory products from haemolymph.
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