Which of the following hormones is suddenly secreted into the bloodstream of a frightened person? By: Sunday|Published on: Dec 22|Categories: Biology WAEC| 0 comments A. insulin B. adrenaline C. thyroxine D. parathormore Correct Answer: Option B – adrenaline Users Also Read These:The hormones secreted by pancreas serves to?Progesterone is secreted by the?When a person is being fair; impartial and…A person who sells goods belonging to another person…A guarantee given by one person or party to another…SEE ALSO Which of the following measures is most likely to cause a damage to the ecosystem in the control of pests and weeds?