Human Body Systems

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Across
  1. 2. this system controls lymph nodes and works to protect you from getting sick
  2. 4. protects the body and helps to regulate body temperature
  3. 6. the smallest level of organization
  4. 7. this system allows organisms to reproduce
  5. 8. this system controls hormones such as adrenaline.
  6. 10. this systems helps you move and is made up of 3 types of muscle: skeletal, smooth, and cardiac.
  7. 11. another name for brain cells
  8. 13. this system is made up of the lungs that work to take in oxygen and release carbon dioxide
  9. 14. this system is made up of the largest organ of the body: your skin
Down
  1. 1. this system breaks down food and absorbs nutrients.
  2. 3. this system carries oxygen through the blood and transports nutrients pumped by the heart.
  3. 5. this system provides the body structure and is made up of 206 bones
  4. 9. this system is made up of the brain and spinal cord.
  5. 12. when multiple organs work together to do a body function and is also the largest level of organization.