Across
- 4. the system that pump bloods from the heart to the lungs to get oxygen
- 5. groups of organs and tissues that work together to perform important jobs for the body
- 6. the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands
- 8. one of the most important systems in the body
- 12. the first most important system in the body
- 13. the system that removes waste from your blood in the form of urine
- 14. a complex of network of organs, cells and proteins that defends the body against infection, whilst protecting the body's own cells
- 15. a collection of organs and a network of hormone production that work together to create life.
Down
- 1. the outside layer of your body
- 2. the system that supports and protects the body and allows the body to move
- 3. an orgnan system that provides strength, helps keep balance, maintains posture, allows movement, and provides heat
- 7. a collection of organs whose primary function is to take in oxygen and expel carbon dioxide
- 9. the system made up of glands to make hormones
- 10. the network of vessels through which lymph drains from the tissues into the blood
- 11. the organs that break down food so that it can be used by the body