Which of the following is the function of adrenaline?
Correct answer: D. Both A and B
- A. To increase the rate of breathing
- B. To increase the heart rate
- C. To increase the level of calcium in blood
- D. Both A and B
Explanation
Adrenaline is released in a fight or flight situation. In flight or fight conditions, both the breathing rate and the heart rate increase in order to increase alertness.
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About Chemical Coordination and Hormones
Chemical coordination uses hormones released by endocrine glands and carried in blood to specific target cells. Coverage includes the pituitary, thyroid, pancreas, adrenal glands, ovaries and testes, feedback control, and the contrast between slower, longer-lasting hormonal responses and rapid nervous coordination.
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