Organs and Organ Systems

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Across
  1. 2. consists of the kidneys, ureters, bladder, and the urethra
  2. 6. The system that transports oxygen
  3. 10. internal framework of the human body
  4. 11. The system that breaks down and absorbs nutrients
  5. 12. set of organs forming the outermost layer of the body
  6. 13. messenger system in an organism comprising feedback loops of hormones
  7. 14. vertebrates that are part of the immune system
  8. 15. Consists of the skeletal, smooth, and cardiac muscles
Down
  1. 1. an organ system that gives humans the ability to move using their muscular and skeletal systems
  2. 3. Sends information from your body to the brain
  3. 4. passive biological system that removes excess, unnecessary materials from the body fluids of an organism
  4. 5. Two or more organs that work together to perform body functions
  5. 7. The system that allows you to breathe
  6. 8. made up of all anatomical organs involved in sexual reproduction
  7. 9. a network of biological systems that protects an organism from diseases