Increased muscle mass: Muscle mass naturally decreases with age, but strength training can help reverse the trend.
Stronger bones: Strength training increases bone density and reduces the risk of fractures.
Joint flexibility: Strength training helps joints stay flexible and can reduce the symptoms of arthritis.
I believe the answer is C.
Answer:
it is the average period of time a person can expect to live.
Explanation:
You are looking for vaccine.
