In human body, the hormone which is secreted into blood and which cont

In human body, the hormone which is secreted into blood and which controls the rate of heart beat is

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Adrenaline

Thyroxine

Insulin

Testosterone

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UPSC CAPF – 2020

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Adrenaline (also known as epinephrine) is a hormone secreted by the adrenal glands that increases the rate and force of heart beats, among other effects.

Adrenaline is part of the body’s “fight or flight” response, preparing the body for physical exertion by increasing cardiovascular activity.

Thyroxine regulates metabolism. Insulin regulates blood sugar levels. Testosterone is a primary male sex hormone involved in development and reproduction.

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