Answer:
If the heart rate monitor says you're working at 50 to 60% of your max heart rate, then the exercise is considered moderate. If the heart rate monitor shows that you're working at 70 to 85% of your heart rate then it's vigorous exercise. To find your maximum heart rate, subtract your age from 220.
Explanation:
Vitamin A is important for normal vision, the immune system, and reproduction. It also helps the heart, lungs, kidneys, and other organs work properly.
Answer:
I think it is B. Women has an episiotomy
Explanation:
I might be wrong if i'm right mark me
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1. Time
2. Frequency
3. Intensity