Athletes tend to have lower resting heart rates<span> because training programs that build speed, fitness, muscle and endurance also train your heart muscles to pump a </span>higher<span> volume of blood with each heartbeat.</span>
Ten is your answer I think
The scientific theory of evolution states that populations change over time in response to changes in the enviroment
Python shell.
Hope this helps!
-Payshence xoxo<span>
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