What is the amount of the check written for Brent's Hair Designs on January 16? $40.00 $208.53 $-33.00 $62.40

The alveoli are what give the lungs so much space, and if they are big, there is more gas exchange than if they are small.

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