1.

Epinephrine is secreted by-1) Adrenal medulla and increases heart rate2) Adrenal medulla and decreases heart rate3) Adrenal cortex and increases heart rate) Adrenal cortex and decreases heart rate

Answer»

Epinephrine is a hormone that is secreted by adrenal medulla and increase heart rate

therefore,1)Adrenal medulla and increase heart rate

1is the correct answer of the given question



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