Across
- 2. power house of a cell
- 4. takes place without the presence of oxygen
- 6. takes place in the presence of oxygen
- 9. an acid that helps in cellular respiration and glucose production
- 10. the formation of more extensive capillary networks around the fiber
- 13. function is to produce movement, sustain body position
- 15. involuntarily muscle
Down
- 1. these fibers use aerobic respiration to produce ATP and contract slowly
- 3. these fibers have fast contractions and mainly use anaerobic glycolysis
- 5. produced by a fiber
- 7. fibers that have fast contractions and mainly use aerobic respiration
- 8. makes up the thick middle layer of the heart
- 11. the extra "BLANK" that the body uses during exercise
- 12. muscle atrophy that is related to age
- 14. process in which muscle mass decreases and structural proteins are lost
