Question

how does our body respond when adrenaline is secreted into the blood

Answer 1

When adrenaline is secreted into the blood it prepares our body for action. It speeds up heart beat and breathing, raises blood pressure and allows more glucose(Carbohydrate) to go into the blood to give us lot of energy quickly to run or fight.

Answer 2

1.breathing rate increases,
2.level of glucose rises,
3.heart beats faster