Our brains to think and tells us how to do the things
<em>Hi !</em>
With aging, heart does not reamin the very efficient pacemaker.
<em>As a person ages, his or her levels of cardiorespiratory fitness tend to </em>: B. decline
Thank youuuuu!! Also sorry to hear you’re quitting oof
The cell that takes water in and releases it would be the Vacuoles .