MICROANATOMY

Detailed explanation-1: -Epinephrine. Epinephrine, more commonly known as adrenaline, is a hormone secreted by the medulla of the adrenal glands. Strong emotions such as fear or anger cause epinephrine to be released into the bloodstream, which causes an increase in heart rate, muscle strength, blood pressure, and sugar metabolism.

Detailed explanation-2: -The Adrenal Gland, part of the endocrine system, releases cortisol into the bloodstream. Adrenaline helps to enhance cardiac function by increasing heart rate, constricting blood vessels and increasing blood pressure.

Detailed explanation-3: -Adrenal medulla hormones The 2 more important catecholamines are epinephrine and norepinephrine. Epinephrine (adrenaline) is released during times of short-term stress such as sudden shock or fear. It increases heart rate, blood pressure and blood sugar levels.