Human body systems

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