Multiple choice Which of the following statements is incorrect? Medulla secretes certain neurotransmitters. Adrenal medulla is a part of the nervous system. The medullary hormone bind to adregenic receptors. Adrenalin is known as tonus hormone. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Adrenalin is known as emergency hormone. Noradrenaline is the tonus hormone for the circulatory system.