If you are about to fight or flight a dog that wants to bite you, the cellular signal inside your body that will trigger a signaling network for this response is called:
a. nadh
b. connexon
c. estrogen
d. adrenaline

D. Adrenaline

Explanation:

Adrenaline hormone is secreted by adrenal medulla during stressful conditions. The hormone is involved in preparing the body for stressful conditions by intensifying the sympathetic response.

If a person is chased by a dog, the adrenaline hormone is released from the adrenal medulla. The hormone triggers the preganglionic neurons of the sympathetic division of the autonomous nerve system to generate the flight or flight response.

Adrenaline increases the heart rate, blood pressure, and blood flow to skeletal muscles and adipose tissues. The hormone also triggers the dilation of airways and increases the blood levels of glucose and fatty acids.

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answer: 45

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