Across
- 1. The largest organ system, responsible for creating physical barriers to maintain and protect the internal environment.
- 4. System of glands made up of organs and glands responsible for reproducing.
- 9. A system that is responsible for carrying blood to the heart and back
- 11. Consists of the heart, blood, and blood vessels.
- 12. A network of glands, specifically responsible for the production of hormones.
Down
- 2. A system responsible for discarding waste in the body.
- 3. A system responsible for sending signals to the brain and back, sending thoughts, and responses.
- 5. System used for gas exchange, breathing activity, etc...
- 6. consists of bones and tissues. Responsible for the support of the body structure and protection of the organs.
- 7. A system responsible for the digestion and absorption of nutrients from food.
- 8. Body system consisting muscles.
- 10. A system responsible for fighting off viruses and toxins