NEET BIOLOGY

Detailed explanation-1: -Epinephrine (Adrenaline) and Norepinephrine (Noradrenaline) Among other things, these hormones are capable of increasing the heart rate and force of heart contractions, increasing blood flow to the muscles and brain, relaxing airway smooth muscles, and assisting in glucose (sugar) metabolism.

Detailed explanation-2: -Adrenaline caused an increase in systolic blood pressure, a decrease in diastolic blood pressure, and an increase in heart rate. Adrenaline also produced a decrease in T wave amplitude and an increase in the QTc interval.

Detailed explanation-3: -An adrenaline rush is one of the body’s vital defense mechanisms. A stressful situation will trigger the release of the hormone adrenaline, also known as epinephrine, into the bloodstream. The production of adrenaline occurs in the adrenal glands, which sit above the kidneys.