fight or flight response

Question 1

Step 1

Answer 1

Amygdala is activated and sends distress signal to hypothalamus

Question 2

Step 2

Answer 2

Hypothalamus activates sympathomedullary pathway (SAM), runs to adrenal gland and sympathetic nervous system (SNS)

Question 3

Step 3

Answer 3

SNS stimulates adrenal medulla, part of the adrenal gland

Question 4

Step 4

Answer 4

Adrenal medulla secretes adrenaline and noradrenaline

Question 5

Step 5

Answer 5

Adrenaline causes physiological changes in the body

Question 6

Examples of physiological changes

Answer 6

Increased heartrate, increased breathing rate, pupil dilation