Answer:
1. C. Push Up is a good exercise, but it can not be considered as a cardiovascular endurance activity. This activity involves the use of muscles and you might feel your heart rate increasing, but you don't really maintain them continuously as a cardiovascular activity requires.
2. B. Planking is considered a muscular endurance activity since it involves the muscles from head to toe, the upper body, core muscles, and lower body muscles. In fact, planking is considered a full-body workout. In particular, it works your abdominal and lower back muscles.
3. C. Getting to bed on time is a good habit in managing sleep because experts said that people who go to bed late and do wake up late can experience health problems because their body clock does not align with the regular rhythms of modern society.
Explanation:
work smart not hard
