Which of the following hormones is suddenly secreted into the bloodstream of a frightened person? by Sunday | Dec 22 | Biology WAEC | 0 comments A. insulin B. adrenaline C. thyroxine D. parathormore Correct Answer: Option B – adrenaline Users Also Read These:In the diagram below which shows the digestive tract…Which of the following is NOT a function of dilute…A body of mass 5kg moving with a velocity of 30ms‾¹…The gland that releases hormones into the blood are…The movement of digested feed into the bloodstream…