Across
- 2. without using oxygen to provide energy
- 4. how long you should be exercising
- 6. how quickly the person’s heart rate returns to normal
- 9. exercising 3-5 times per week
- 10. measure of the heart’s mechanical work
- 11. number of beats per minute when you are at complete rest
- 12. range which the heart should beat to achieve the best results
Down
- 1. the ability of the heart and blood vessels to deliver nutrients and oxygen to the tissues of the body efficiently.
- 3. uses oxygen to provide energy
- 5. highest number of times your heart can contract in one minute
- 7. number of beats per minute of the heart
- 8. how difficult a workout is