Mirna is walking home from school and decides to take a shortcut across a small park. As she is walking, a large dog comes running towards her, barking loudly. Mirna is terrified and feels her heart beating hard in her chest and her breathing becomes more erratic. The dog's owner comes over quickly and takes the dog away. Luckily, Mirna is not injured. She then goes home and tells the story to her roommate.
-Which part of Mirna's endocrine system was activated during the incident

Question

Quizplus · Accepted Answer

Mirna's adrenal glands were activated as part of her body's stress response to the perceived threat of the dog. The adrenal glands release hormones such as adrenaline and cortisol which increase heart rate, breathing, and prepare the body to either fight or flee. The activation of the ovaries, pancreas, or thyroid gland would not be involved in this stress response.

Mirna Is Walking Home from School and Decides to Take