Answer:
d
Explanation:
mountian climbers are hard man
Answer:
none of the above
Explanation:
stress affects every part of the human body in some way
The correct answer is C.)
Carbon Monoxide, a by product and a pollutant, when inhaled replaces oxygen which in turn devastates the body. It affects the heart directly by stopping the oxygen flow which in turn reduces the pumping capacity and can permanently impair it's cardiac function.
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