I. Increased alertness II. Pupil | vedclass

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Adrenal medulla releases two hormones adrenaline and noradrenaline. In the stress conditions, these hormones increase alertness, pupillary dilution, p

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Adrenaline

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Adrenal medulla releases two hormones adrenaline and noradrenaline. In the stress conditions, these hormones increase alertness, pupillary dilution, piloerection (raising of hairs), sweating etc. Both of these hormones increase the heart beat. Catecholamines (adrenaline and noradrenaline) also stimulate the breakdown of glycogen resulting in an increased concentration of glucose in blood. In addition they also stimulate the breakdown of lipids and proteins

$I.$ Increased alertness $II.$ Pupillary dilation $III.$ Raising of hairs $IV.$ Sweating

All of the above written physiological processes are regulated by

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$I.$ Increased alertness $II.$ Pupillary dilation $III.$ Raising of hairs $IV.$ Sweating All of the above written physiological processes are regulated by