WqLevels of organization

2. this system returns leaked fluid back to the blood.
4. this system breaks down food nutrients that can be used by the body.
5. a living thing that can reproduce, grow, and carry out life processes.
8. A group of organs that work together to perform a specific function.
9. the organ that controls our thoughts, memory, and every process that regulates our body.
12. this system allows the body to reproduce offspring.
14. this system allows movement of body parts.
16. this system makes chemical messages that help to regulate conditions inside the body.
21. A group of similar cells performing the same function.
22. this system is made up of bones, ligaments, and cartilage.

1. this system gathers oxygen from the environment and gets rid of carbon dioxide from the body.
3. this system is also known as the circulatory system and it moves blood through the body.
6. this system gets rid of the body's wastes.
7. this system is the protective covering of the body that includes skin, hair, and nails.
10. the special, normal, or proper purpose or activity of an organ or part.
11. the organ that helps us breathe.
13. the arrangement of parts in an organism or an object.
15. the organ that breaks down food for digestion.
17. A group of tissues that work together to perform a specific function.
18. this system collects information and responds to it by sending electrical messages.
19. the organ in your chest that pumps the blood around your body.
20. The basic unit of structure and function of all living things.