Human Body Systems

2. A system of organs that brings oxygen into the body and removes carbon dioxide.
7. The structures in the body that work together to transform (change) food into forms that the body can use.
8. A group of organs that provide protection against infections and diseases.
9. A group of organs that control all bodily functions.
10. The body system that includes the skin and its associated structures that protects the body from the outside world.
11. A system of organs that allows an organism to reproduce more of its own kind.

1. A group of organs called glands and the hormones they produce that help regulate conditions inside the body.
3. A framework of bones that supports the body, protects the internal organs and helps bodily movement.
4. The muscles of the body that work with the skeletal system to allow the human body to move.
5. A group of organs that remove waste from the human body.
6. The group of organs, consisting of the heart and blood vessels, that circulates (moves) blood throughout the body.