Which statement is true regarding flexibility? a. joint's range of motion cannot be maintained with age. b. a joint's range of motion will be lost if the joint is not used regularly. c. flexibility decreases with age because muscle strength increases. d. flexibility decreases at a rate predetermined at birth.

the statement that is true regarding flexibility is : b. a joint's range of motion will be lost if the joint is not used regularly. Our body is like a machine. If we not constantly heat it up, our body will be more prone to injury. We can see that the old people who lived within the tribe in the middle of the mountain are far stronger than the one who lived in the city.

Sorting by the rock cycle