Final answer:
Doing yoga stretches is not a cardio-respiratory workout.
Step-by-step explanation:
The option that is not a cardio-respiratory workout is B. Doing yoga stretches.
Cardio-respiratory workouts are exercises that increase your heart rate and breathing rate, improving your cardiovascular fitness.
Examples of cardio-respiratory workouts:
- Playing basketball
- Going for a run on a track
- Swimming laps in a pool
Learn more about Cardio-respiratory workout options