The lungs is your answer :)
Answer:
don't go meet that guy. you really have no clue if he is what he seems like. IF you go then i am going to go with you because i am not going to let you go by your self. You need to know more about this person. Be smart and bring somthing to protect yourself.
Explanation:
Benefits
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.
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