Body Systems and Homeostasis

123456789101112131415
Across
  1. 1. Also referred as the "hormone system".
  2. 3. Major part of the circulatory system
  3. 4. Your body's central structure
  4. 8. Chemical messengers that send signals into the bloodstream and tissues.
  5. 11. Asystem that is made up of the brain and spinal cord.
  6. 13. A system that breaks down food and liquids to make energy.
  7. 14. Made up of myofibrils
  8. 15. Cells that have a special ability to shorten or contract
Down
  1. 2. A system that makes up organs and tissues that helps you breathe.
  2. 5. System that circulates blood through the body.
  3. 6. A system that involves the kidneys, ureters, bladder, and urethra.
  4. 7. Organs involved in producing offspring
  5. 9. A system that uses cardiac, smooth, and skeletal muscles.
  6. 10. Fine branching blood vessels
  7. 12. Blood vessels in the body at collect oxygen and return it to your heart