During low exercise intensity levels you would still be able to sing. Correct answer: A Low-intensity exercise is exercise that gets you to about 40 to 50 percent of your MHR. Examples include a casual walk, a stretch session, a beginners' yoga class or tai chi... Low-intensity exercises can easily become moderate-intensity exercises by upping your pace. However while performing moderate activity you can talk, but you can't sing.
Haddock et al. (1998) stated that social factors are the strongest predictors of tobacco use; for example, having friends who smoke and view smoking as attractive significantly increases one's own risk of smoking.
