When we're confronted with danger, epinephrine (adrenaline) starts pumping, the heart speeds up, blood pressure increases, breathing quickens.
当我们遭遇危险时，肾上腺素就会大量分泌，心跳加速，血压升高，呼吸变快。
The bladder and colon prepare to empty, the central portion of the adrenal medulla floods the bloodstream with adrenaline and noradrenaline, constricting the blood vessels, breathing quickens.
大小便可能失禁哦。血液随肾上腺素和去甲肾上腺素汇聚到肾上腺髓质的中部，血管收缩，呼吸加快。
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