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Question

Epinephrine is secreted by


A
Adrenal medulla and increases the heart rate
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B
Adrenal medulla and decreases the heart rate
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C
Adrenal cortex and increases the heart rate
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D
Adrenal cortex and decreases the heart rate
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Solution

The correct option is A Adrenal medulla and increases the heart rate
Epinephrine commonly known as adrenaline is a hormone and neurotransmitter. It is secreted from the medulla of the adrenal glands. It is the fight or flight hormone. It prepares the body for emergency conditions. It increases the contraction of the heart and blood pressure. It increases the metabolic rate, making the body active and quick.

Biology

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