If you didn’t eat then thats why you didn’t poop
The best answer is the first option. Cortisol is the hormone that narrows arteries to increase blood pressure. It is a response to stress. Adrenaline, on the other hand, is the hormone that is released also due to stress but its effect is to speed up the heart. Estrogen is not related to stress and is only found in females.
It is a nervous system outside the brain and the spinal cord