What is the minimal rate at which the body must produce energy to continue its essential life processes?

Answerbipolar disorder; i believe this is correct, plz check first;

Subtract your 2-minute heart rate from the heart rate you took immediately after exercising. the faster your heart rate recovers (or slows down ) the fitter and healthier your heart. if the difference between the two numbers is: less than 22: your biological age is slightly older than your calendar age

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