Across
- 2. The percentage of blood made up of red blood cells
- 5. The body’s positive physical changes resulting from consistent training
- 6. Power The highest exercise intensity that can be maintained without fatigue
- 8. Transport Chain The final stage of aerobic metabolism that generates the most ATP
- 11. Flexibility The body’s ability to switch between fat and carbohydrate for fuel
- 12. Substances that protect cells from damage caused by free radicals
- 14. I Fibers Slow-twitch muscle fibers built for endurance and fatigue resistance
- 17. The molecule in red blood cells that binds and carries oxygen
- 18. The rest period that allows muscles to repair and adapt after training
- 20. Cycle The aerobic energy pathway that produces ATP inside mitochondria
- 21. Threshold The exercise point where lactic acid starts to build up
- 25. Interval Training A workout that alternates short bursts of effort with rest
Down
- 1. The maximum amount of oxygen your body can use during intense exercise
- 3. Cell structures known as the “powerhouses” that produce ATP
- 4. Training A type of “speed play” workout that mixes fast and slow running segments
- 7. A by-product of anaerobic metabolism that can be used as energy
- 9. Threshold The intensity at which lactate starts to rise sharply in the blood
- 10. Volume The liquid portion of blood that increases with endurance training
- 13. Volume The amount of blood pumped from the heart with each beat
- 15. Capacity The ability of the body to generate energy using oxygen
- 16. Equation Formula used to calculate VO2max by combining heart and oxygen data
- 19. of Movement How efficiently the body uses energy while performing a skill
- 22. Output The total volume of blood pumped by the heart per minute
- 23. Difference The difference in oxygen content between arterial and venous blood
- 24. The ability to sustain long periods of physical activity