alexverduzco457 alexverduzco457 06-01-2017 English contestada 1.Our physical state can affect our mental and emotional health True or false 2. To be effective, exercise must reach at least A.40% B.60% C.80% 3. The heart is the center of physical fitness True or false 4.it is okay for adolescents to lift heavy weights True or false 5. Participating in aerobic exercise develops muscular endurance True or false 6.Aerobic means "without oxygen " True or false