Human Organ Systems

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Across
  1. 1. – System of skin, hair, and nails that protects the body
  2. 4. – System that moves the body by contracting muscles
  3. 9. – System that breaks down food into nutrients
  4. 11. – System that controls growth and responses with hormones
  5. 14. – System that produces offspring
  6. 15. – System that removes waste and regulates body fluids
  7. 16. – Fluid that carries oxygen, nutrients, and waste in the body
  8. 17. – System that supports the body and protects organs
  9. 18. – Structure made of tissues performing a specific function
Down
  1. 2. – System that sends signals and controls body functions
  2. 3. – Organ that controls thoughts, movement, and senses
  3. 5. – Group of organs that work together
  4. 6. – The smallest unit of life in the human body
  5. 7. – A group of similar cells working together
  6. 8. – System that brings oxygen in and removes carbon dioxide
  7. 10. – System that defends the body against disease
  8. 12. – Tissue that can contract to cause movement
  9. 13. – System that carries oxygen, nutrients, and waste through blood
  10. 16. – Hard structure of the skeleton