Across
- 6. cells dividing into two new identical cells (daughter cells); the normal process of cell reproduction of human tissues
- 7. one of the organs which supports the excretory system by eliminating water and waste products
- 12. breakdown of food by mechanical and chemical means
- 13. colorless, jellylike substance in cells; contains nutrients such as protein, fats, carbohydrates, mineral salts, and water
- 14. a group of complex proteins produced by living cells that act as catalysts in specific chemical reactions in the body such as digestion
- 15. lower jawbone; largest and strongest bone of the face
- 16. fluid part of the blood and lymph that carries food and secretions to the cells and carbon dioxide from the cells
- 18. system that controls the steady circulation of the blood through the body by means of the heart and blood vessels
- 19. study of the functions or activities performed by the body's structures
- 20. tiny, thin walled blood vessels that connect the smaller arteries to the veins
- 21. collection of similar cells that perform a particular function
Down
- 1. the study of human body structure, how the body parts are organized, and the science of the structure of organisms or of their body parts
- 2. thick-walled muscular, flexible tubes that carry oxygenated blood from the heart to the capillaries throughout the body
- 3. part of the muscle that does not move; it is attached to the skeleton and is usually part of a skeletal muscle
- 4. groups of body organs acting together to perform one or more functions
- 5. basic unit of all living things
- 8. protective covering on body surfaces, such as the skin, mucous membranes, and the lining of the heart; digestive and respiratory organs; and glands
- 9. the study of the structure and composition of tissue
- 10. small structures or miniature organs within a cell that have their own function
- 11. sensory nerve endings located close to the surface of the skin
- 17. body system that covers, shapes, and supports the skeletal tissue;contracts and moves various parts of the body
- 22. point where the skeletal muscle is attached to a bone or other more movable body part