ADRENALINE

DEFINITION

• A hormone secreted by the adrenal glands
• Happens during stressful situations
• Is a negative feedback, as it help the body cope during stress

EFFECT ON HOMEOSTASIS

• Increases the amount of oxygen and glucose in muscles
• Heart rate increases
• Pupils dilate
• Blood sugar increases

ADRENALINE RUSH

• Happens when body prepares for flight or flight situation
• Happens in both imagined and physical threats
• Ex. Strenuous exersise, heart failure, chronic stress, or anxiety
• Transforms the amino acid tyrosine into dopamine and eventually, adrenaline
• Binds to receptors in the heart, arteries, pancreas, liver, and muscles