Across
- 2. Attaches muscle to bone.
- 4. acid A by-product of the Anaerobic Glycolysis system.
- 6. The act of breathing in.
- 7. Prevent back-flow.
- 9. output The volume of blood pumped out of the heart per minute.
- 10. The part of the muscle fibre encasing the actin and myosin filaments.
- 11. The heel bone.
- 14. twitch Muscle fibres best suited to endurance activities.
Down
- 1. Muscle fibres that run at an angle to the tendon (75% of skeletal muscles).
- 3. The body's main food fuel.
- 5. Blood circulation throughout the entire body - ________ circulation.
- 6. Muscle contraction in which the muscle length does not change.
- 8. The type of muscle found on the walls of blood vessels and certain organs such as the stomach.
- 12. band The part within a sarcomere in which the actin and myosin cross over.
- 13. Grape- like structures at the end of bronchioles.