Across
- 4. the system of blood vessels and organs that transports blood to the cells in the body
- 6. components/parts of cells
- 8. a group of organs that work together to perform complex functions
- 10. having to do with lungs
- 15. the organs and structures that process food in the body
- 16. particle that is made of two or more smaller particles held together by chemical bonds
- 18. the identification of the nature of an illness or other problem by examination of the symptoms
- 19. the organs and structures that transport oxygen to the red blood cells and get rid of carbon dioxide
- 20. a system of bones that provides structure, assist movement, and protects main organs of the nervous system
- 21. particle that is made of two or more smaller particles held together by chemical bonds
Down
- 1. the system that gives shape to the body and allows it to move; made up of skeletal muscles, smooth muscles, and cardiac muscles
- 2. a substance produced in the body that helps to control the way a cell or organ works
- 3. made of many related cells working together to perform specific functions
- 5. the organs and structures responsible for the elimination of waste from the body
- 7. the system that controls all the activity inside the body, and monitors and responds to the outside environement
- 9. the basic unit of all life
- 11. a set of symptoms caused by one disease
- 12. groups of different kinds of tissue that work together to perform a task
- 13. an indicator that something is wrong in the human body
- 14. basic building block of all matter
- 17. the system that makes, stores, and releases hormones