Answer:
Why are muscle and fat levels the only factors influencing flexibility impacted by personal decisions? Age, gender, and joint structure cannot be changed. ... Muscle stiffness that reduces flexibility often results from the overuse of muscle, but inactivity also weakens muscles and can make them more susceptible to injury.
Answer:
C. take stairs instead of the elevator
Explanation:
i hope this helped sorry if im wrong
Its called the Urinary Bladder. And if i'm wrong, i understand :)