Across
- 2. group of specialized cells of the same kind that perform the same function
- 4. tissue made up of cells that can contract; includes smooth, skeletal, and cardiac muscle tissue
- 8. the ability to move; in animals, requires muscles and nerves working together
- 10. structure composed of two or more types of tissues that work together to perform a particular function
- 11. energy-carrying molecule that cells use to power their metabolic processes; provides the cell with an immediate usable form of energy
- 12. human body system that includes all the muscles of the body
- 15. fluid connective tissue that circulates throughout the body through blood vessels
- 16. sac-like organ of the digestive system between the esophagus and small intestine in which both mechanical and chemical digestion take place
- 17. organelle in eukaryotic cells that uses energy stored in glucose to make ATP, which cells can use for energy
- 18. involuntary, striated muscle found only in the walls of the heart
Down
- 1. long, thin muscle cell that has the ability to contract, or shorten
- 3. hard tissue consisting of the protein collagen and minerals such as calcium that generally makes up most of the vertebrate endoskeleton
- 5. involuntary muscle that is found in the walls of internal organs such as the stomach
- 6. refers to the striped appearance of cardiac and skeletal muscle
- 7. voluntary, striated muscle that is attached to bones of the skeleton and helps the body move
- 9. the ability to do work
- 13. basic unit of structure and function of living things
- 14. organic molecules, such as glucose, that organisms use for chemical energy