26calebwalton 26calebwalton 12-11-2020 Physics contestada PLEASE HELP!!!When your muscle gets tired, it builds up the _______ and makes it more powerful.momentumbloodcells--------------------------------------------------------------------------------------------------------------------------------. When it comes to fitness, at the end of the day the most important thing is ____________.motivationacceptancesleep--------------------------------------------------------------------------------------------------------------------------------You can best measure your own resting heart rate when you first wake up in the morning.TrueFalse____________________________________________________________________Your normal heartbeat before exercise is called your ____________________.heart ratemuscletissue