- A Malpighian tubules
- B the kidney nephrons
- C simple flame cells
- D simple sweat glands
Correct answer: A. Malpighian tubules
Explanation: Insects excrete wastes through Malpighian tubules connected to the gut.
Concept context
Nitrogenous waste, kidney structure, urine formation in the nephron, and hormonal regulation of excretion.
Read the full Excretory Products and their Elimination notes →