Related Clues:
- Like some exercise
- Involving oxygen consumption
- Like much strenuous exercise
- Like biking or jogging
- Strenuous
- Fatiguing
- Kind of workout
- Like some dancing
- Like some heart-pumping workouts
- Running, e.g.
- Needing oxygen
- Causing weariness
- Growing weary or bored
- Exercises to enhance respiratory efficiency
- Exercise that enhances circulation