Nephrons are the structural and functional units of the organ that filters what?\nOptions:\n- (A) Light\n- (B) Energy\n- (C) Coffee\n- (D) liquid\n- (E) Air\n- (F) Oxygen\n- (G) Blood\n- (H) Food
Reason slowly and give your answer.
(G)
Nephrons are the structural and functional units of the kidneys.

Blood is filtered in the kidney.

Nephrons are the structural and functional units of the organ that filters blood.

.

Final answer: (G)