Cells and Body Systems

2. group of tissues that work together to perform a specific function
4. breakdown of large food particles into smaller particles by enzymes
5. physical breakdown of food into small particles
7. group of organs that work together to perform a certain task, such digestion or breathing
8. filtering units of the kidney that remove waste from the blood and produce urine
9. breaks down the food you eat into parts small enough to be absorbed and transported throughout the body
12. purpose or task
13. large muscle below the lungs that helps move air in and out of the lungs
14. disease that causes damage to lung tissue causing shortness of breath
16. parts of an organism that perform specific tasks
17. removal of waste products from the blood using a machine that functions the kidneys
18. large artery carrying blood from the left ventricle to the body
20. living things
23. growth of tumors, which take up space in the lungs, making breathing difficult
25. type of connective tissue found in the bones that produce red blood cells

1. organism's reaction to a stimulus
3. specialized cells of the nervous system that receive and transmit information
4. microscope that has two or more lenses and has a light source
6. tissue of the brain, spinal chord, and nerves
10. any change in an organisms environment
11. waste removal
15. tiny air filled sacs in the lungs the site of gas exchange
19. outer covering of a cell that provides strength and support only part of a plant cell
21. thick walled blood vessels that take blood away from the heart to the rest of the body
22. system moves bones,moves organs, that contain muscle tissue
24. basic unit of life