Final answer:
Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health. Weightlifting is a form of exercise that focuses on building strength and muscle mass.
Step-by-step explanation:
Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health. It can include activities such as weightlifting, which is a form of exercise that focuses on building strength and muscle mass.
Weightlifting is performed in a gym and involves lifting weights to challenge the muscles and increase their size and strength.
It is a type of physical training that requires the muscles to continually adapt to heavier loads for maximum results.