I. Increased alertnessII. Pupillary dilationI | vedclass

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(A) The adrenal medulla secretes two hormones,namely adrenaline (epinephrine) and noradrenaline (norepinephrine).These are commonly referred to as cat

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Adrenaline

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(A) The adrenal medulla secretes two hormones,namely adrenaline (epinephrine) and noradrenaline (norepinephrine).These are commonly referred to as catecholamines.During stress conditions or emergencies,these hormones are secreted in large quantities,which is why they are often called 'emergency hormones' or hormones of 'fight or flight'.These hormones are responsible for physiological responses such as increased alertness,pupillary dilation (widening of the pupil),piloerection (raising of hairs),and sweating.Additionally,they increase the heart rate,the strength of heart contraction,and the rate of respiration.They also stimulate the breakdown of glycogen,resulting in an increased concentration of glucose in the blood,and promote 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$IV.$ SweatingAll of the above written physiological processes are regulated by: