Cellular wastes and excess ions are moved from the blood into nephrons by
A) secretion only.
B) filtration and secretion.
C) filtration and reabsorption.
D) filtration only.
E) reabsorption only.

Question

Quizplus · Accepted Answer

Cellular wastes and excess ions are moved from the blood into nephrons primarily through two processes: filtration and secretion. Filtration occurs as blood pressure forces water and solutes across the walls of the glomeruli into the Bowman's capsule, while secretion involves the active transport of substances from the blood into the tubular fluid along the nephron.

Cellular Wastes and Excess Ions Are Moved from the Blood