Because carbon monoxide can't be seen, smelt, or felt. and due to its toxicity it is highly recommended to have a carbon monoxide in your home
The second part of FITT is "intensity." This refers to the amount of effort expended in a particular workout. It is important to find a good balance of intensity during the workout in order to burn energy but prevent injury. One way for individuals to do this is to determine their target heart rate, and then try and stay inside that zone.
As the amount of substrate increases, the rate of enzyme catalyzed reactions increase
Tense muscles or headaches may occur in the short term when exposed to stress.
A hot dog is an example of empty calories