Will get brainiest the number of muscles in our body varies from around 640 to 850. what are some factors that would keep those numbers so far apart? maybe age? as you age does the amount of muscles in your body change? how come there aren't a set amount?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?