• Apr 11, 2026 osmoregulation and excretion multiple choice answers rtebrates. Function: Facilitate gas exchange. Excrete excess salts. Take up salts as needed. Malpighian Tubules Found in insects. Function: Remove nitrogenous wastes. Reabsorb water and salts. Secrete wastes into the hindgut for excretion. Other Structures Skin: some By Ralph Harber
