Aerobic System

6. A fuel source used by the aerobic system during exercise.
7. The ability to sustain exercise for an extended period.
9. The process of producing ATP using oxygen.
10. Structures in cells where aerobic energy production occurs.
14. The heart and blood vessels that transport oxygen and nutrients around the body.
15. The process of creating energy for muscle contractions.
16. A substance used by the aerobic system to help produce energy.
17. The maximum amount of oxygen the body can use during exercise(VO₂ Max).

1. Energy that can be produced continuously for long periods.
2. Exercise Light exercise that primarily uses the aerobic system.
3. Transfer The process of converting fuels into usable energy.
4. Exercise requiring a steady effort over time.
5. Exercise performed at a comfortable effort level.
8. An energy system that uses oxygen to produce energy for long-duration activities..
11. The number of times the heart beats per minute.
12. A major fuel source used during longer-duration aerobic exercise.
13. Running An example of an activity that relies heavily on the aerobic system.