Which of the following is correct statement regarding cockroach?
Malpighian tubules are excretory organs projecting out from the colon.
Oxygen is transported by haemoglobin in RBC
Gizzard and mandibles grind the food
Nitrogenous excretory product is urea
Assertion [A] : Malpighian tubules are excretory organs projecting from the colon of the digestive system
Reason [R] : The nitrogenous excretory product is Uric acid.