Study

Hormonal System 2

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  • What happens to pupil size when adrenaline is released?
    The pupils become larger (dilate).
  • Q: What is the difference in duration between nervous and hormonal control?
    A: Nervous control is short-term; hormonal control lasts longer.
  • Q: In which type of situation is adrenaline secreted?
    A: In stress, fear, or danger (“fight or flight” situations).
  • Q: What effect does adrenaline have on breathing rate?
    A: It increases the breathing rate.
  • Q: What happens to blood glucose level when insulin is secreted?
    A: It decreases.
  • Q: What type of message does the nervous system use to send signals?
    A: Electrical impulses.
  • Q: What effect does adrenaline have on heart rate?
    A: It increases the heart rate.
  • Q: What is the function of glucagon?
    A: It raises blood glucose levels by causing the liver to release glucose.
  • Q: Which hormone helps muscles get more energy during danger?
    A: Adrenaline.
  • Q: Where are the adrenal glands located?
    A: On top of the kidneys.
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