5th Chapter 1 Review

2. too small to be seen without a microscope
4. system that includes the brain, spinal chord and nerves that senses your surroundings and controls organs
5. a simple organism with a nucleus and organelles
8. system that includes the lungs that exchanges oxygen and carbon dioxide
12. system that includes the bones that protects the body and gives it structure
13. the organ system that turns food into nutrients that body cells need for energy, growth and repair
16. a group of organs that work together to do a job for the body

1. system that includes the kidneys and bladder that removes waste materials from blood and body
3. the part of the cell that directs all of the cell's activities
6. a group of tissues that work together to perform a certain function
7. system that is made up of the heart, blood vessels, and blood that trasnports materials through the body
9. any living thing that maintains vital life processes
10. the thin covering that surrounds every cell
11. the basic unit of structure and function in lviing things
14. a group of cells that work together to perform a certain function
15. the jellylike material inside a cell between the cell membrane and the nucleus
17. system that includes muscles and allows the body to move