What do the secretions of the adrenal medulla act to supplement the effects of?

Answer:
Your question is weird but i think the secretions cause the organism to responde fast by increasing the heart rate and energy?

I believe the answer you are looking for to complete your sentence is sympathetic stimulation.
First answer by ID1201878293. Last edit by Booksmart44. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].