Across
- 4. Very great tiredness
- 6. Level of training intensity when an athlete approaches their maximal heart rate and performs exercise to an increasingly non-aerobic level
- 8. A band of tough, flexible tissue which connects two bones or cartilages or holds together a joint
- 11. A medical condition in which the bones become brittle and fragile from loss of tissue
- 13. A mineral essential for bone growth
- 14. A lifelong process where mature bone tissue is removed from the skeleton (a process called bone resorption) and new bone tissue is formed
- 15. time The speed of a muscular contraction
- 17. A chemical that occurs in all cells, but mainly in muscle, where it forms the energy reserve. Abbreviation ATP
- 18. The enlargement of an organ or tissue. Also called hypertrophy
- 20. The amount of work your muscles produce is related to the heat produced
Down
- 1. An interweaving bed of capillaries supplying tissues such as muscle
- 2. Muscle found only in the heart
- 3. A muscle cell
- 5. A type of starch, converted from glucose by the action of insulin, and stored in the liver as a source of energy
- 7. A cell which build new bone
- 9. A cell which destroys bone
- 10. Microscopic tears in the muscle due to exercise
- 12. The flow of blood around the body. Also called circulation
- 16. The strength of a muscular contraction
- 19. Forms a scaffold to provide strength and structure to bones, muscle, skin and tendons