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- You see your crush across the room and your heart and breathing rate increase. Explain...

- You see your crush across the room and your heart and breathing rate increase. Explain the physiology behind the process using the following terms: SA node, blood pressure, oxygen, hemoglobin, and norepinephrine.

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Answer #1

SA node genearates more electric impulses

Blood pressure increases as heart pump blood rapidly

Oxygen is carried more rapidly in the blood

Hemoglobin is fully bound to oxygen as more oxygen is available

Serotonin drops as cortisol increases, which makes the brain pump out dopamine, which produces norepinephrine making us highly excitable

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