A.stretching and holding the stretch
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
<span> Blood flow to the </span>heart<span> is blocked its known as a heart attack, this is due to circulatory problems.
C</span>ardiac arrest<span> is when the heart stops completely and all of a sudden unlike a heart attack its known to be an e</span><span>lectrical problem.
Someone having cardiac arrest and are unresponsive, would need to be shocked by </span><span>defibrillator, whereas if someone is having a hear attack you will need to put them into recovery position and do CPR.</span><span>
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Answer: Housekeeping and Administrative personnel
Explanation:
Trust me grumpy this is right :)