Fitness

1. The ability of muscles and joints to move through their full range of motion.
3. The level of effort or energy used during an exercise.
4. Gentle exercise before a workout to prepare muscles and prevent injury.
6. Relating to the heart and blood vessels; helps pump blood efficiently.
9. Short bursts of exercise that don't use much oxygen, like sprinting or weightlifting.
10. A unit of energy from food that fuels the body.
11. The ability to move quickly and easily.
14. The ability to stay steady and in control of body movement.
15. Gentle exercise after a workout to help muscles relax and recover.
16. Exercises that build muscle strength by working against a force.
18. The physical or mental strength to keep going during activity.
19. Chemicals in the brain that make you feel happy and reduce pain.

2. A workout alternating between high and low-intensity exercise.
5. The process your body uses to turn food into energy.
7. Exercise that uses oxygen over a long period, like running or swimming.
8. The number of times the heart beats per minute.
12. The ability to do physical activity for a long time without getting tired.
13. The ability to use different parts of the body together smoothly.
17. The amount of force a muscle can produce.