Muscles Crossword

3. large in diameter fibers, written as ___ fiber
5. ability and tendency for the body to maintain a crossword puzzle
8. ____ supplies ATP without consuming oxygen
10. made of tissue cells with a single nucleus that are found in the heart, written as _____ muscle
11. made up of tubular, voluntarily contracting cells, written as ____
12. composed of non-striated muscle tissue of internal organs, written as ____ muscle
15. fibres skeletal muscle cell
16. oxygen-binding pigment in a skeletal muscle fiber
17. one of the chief components of muscle that makes up the thick filament

1. cytoplasm of a muscle fibre
2. reduction in the size and tone
4. microscopic lines and markings unique to certain muscle cells
6. several cylindrical subunits that make up a skeletal muscle cell
7. the membrane of a muscle fibre
9. energy cells that enable muscle contraction
13. a protein found in heart muscle cells that helps them contract
14. one of the chief components of muscle that makes up the thin filament of a fiber