Question

which adrenal hormone accelerates the heart beat under normal conditions???

Answer 1

Adrenaline (epinephrine) and noradrenaline (norepinephrine) hormones are secreted by the medulla region of the adrenal glands. Noradrenaline accelerates the heart beat under normal conditions while adrenaline does the function at the time of emergency. These hormones directly influence the SA node.

Answer 2

I think it may be epinephrine