There nothing there can you repost it and i can help
A. Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. B. It takes time for hormones to diffuse from the atria to the ventricles to trigger contraction. C.The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. D.The ventricular muscle cells contract more slowly than the atrial muscle cells.
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The correct answer is C. Positive stress. Eustress is a form of healthy stress.
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C) Narcan
Narcan is mostly used by prescription for opiod overdoses
Answer:
But what makes nicotine so addictive? Consuming nicotine—through regular cigarettes or vaping—leads to the release of the chemical dopamine in the human brain. As with many drugs, dopamine prompts or “teaches” the brain to repeat the same behavior (such as using tobacco) over and over.
Explanation: