A resting heart rate is 60-100bpm for the average adult. Generally, a lower resting heart rate implies more efficient heart function and better fitness. I'm not sure on the second part, sorry.
Explanation:
the answer is the aerobic exercise. when first starting a regime, drs agree that you should start at a slower pace for safety and building up to a more intense exercise, when you gain strength.
I would say B. Also C makes since too.
The correct answer is a pediatrician. A pediatrician is a doctor that specializes in infant, children and adolescent medical care up to the age of 21. They are trained to diagnose and treat childhood illnesses and diseases including physical and mental conditions. They can also help educate new mothers about healthcare for their babies.
Answer:
C. a tool to measure the ratio of lean muscle to fat