Which statement about leptin is true

You can do planks so harden ur breast. in case there not strong enough to hold their own weight.

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

That isn't a question

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