ANATOMY

Detailed explanation-1: -About Norepinephrine When working alongside adrenaline, norepinephrine supports the fight-or-flight response by increasing your heart rate, breaking down fat, and increasing glucose levels. It gives your brain and body the energy it needs to take action.

Detailed explanation-2: -What does norepinephrine do in the body? As a neurotransmitter in your brain and spinal cord, norepinephrine: Increases alertness, arousal and attention. Constricts blood vessels, which helps maintain blood pressure in times of stress.

Detailed explanation-3: -These can be triggered due to a loss of blood pressure, pain, stress, injury, intense emotion or low blood sugar (hypoglycaemia). A response would be tachycardia, increased perspiration, increased blood pressure through narrowing blood vessels, increased blood sugar, anxiety, dilated pupils and tremor.

Detailed explanation-4: -The major mechanism by which the effects of norepinephrine are terminated is reuptake back into the nerve terminal by a high-affinity transporter. Norepinephrine can also be metabolized to inactive products.