Across
- 2. Connective tissue that connects bone to bone
- 3. output Total volume of blood pumped by the heart per minute
- 6. unit A motor neuron and all the muscle fibers it innervates
- 7. Type of muscle fiber for endurance
- 8. max Maximum amount of oxygen the body can use during exercise
- 10. threshold Exercise intensity where blood lactate begins to accumulate
- 14. Bone cells that build new bone tissue
- 15. Increase in muscle fiber size
Down
- 1. Growth of more blood vessels around muscles
- 4. volume Amount of blood ejected by the heart per beat
- 5. Cell organelles that produce energy (ATP)
- 9. The liquid component of blood
- 11. Connective tissue that attaches muscle to bone
- 12. Decrease in muscle size or mass
- 13. Type of muscle fiber for power and speed