The passage of nerve impulse across a synapse is facilitated by the secretion of? by Sunday | May 14 | Biology WAEC | 0 comments A. acetylcholine B. thyroxin C. insulin D. progesterone Correct Answer: Option A A. acetylcholine Users Also Read These:Ultra-filtration process at the Bowman’s capsule is…In a series R-L-C circuit at resonance; the voltages…Efficient distribution of goods in West Africa will…Which of the following statements about nerve cells…The part of the ear which contains nerve cells…