The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B
Answer:
Administer basic first aid.
Explanation:
<em>HOPE </em><em>IT </em><em>HELPS </em>
<em>HAVE </em><em>A </em><em>NICE </em><em>DAY </em><em>:</em><em>)</em>
<em>XxYourBabyGirlxX2</em>
20% is the percent of deaths caused by smoking
<span>I would not have known this</span>