Answer: There are 2 correct answers for this question: adrenal and pituitary. However, I believe the answer you're looking for is the adrenal gland since it is more directly involved in the production of epinephrine.
Ok so theirs this thing called asking your teacher for help especially when it’s such an easy question
Matter is anything that has mass and takes up space.
It would have trouble breathing because the partial pressure of oxygen at that elevation is lower than the partial pressure of oxygen at sea level.
Hope that helped you.
There are 2 reasonable theories: 1) the earth cooling down 2) the sea level fell