Question

Malpighian tubules are excretory structures found in the excretory system of certain organisms. Which of the following statements about Malpighian tubules is correct?

A Malpighian tubules are found in mammals and assist in urine formation
B Malpighian tubules are specialized structures in the respiratory system that aid in gaseous exchange.
C Malpighian tubules are unique to fish and are responsible for filtering blood.
D Malpighian tubules are present in insects and function in waste elimination and osmoregulation.
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