Human Organ sytems

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Across
  1. 2. A series of connected organs that allow the body to break down and absorb food, and remove waste
  2. 4. Another word for the Excretory System
  3. 5. Provides shape, support, and protection for the body, almost like the cell wall of a plant cell
  4. 7. Sends signals through the body, controlling both voluntary and involuntary movements
  5. 9. A collection of glands that secrete hormones into the blood to regulate body functions
  6. 11. Contains over 650 muscles that aid in movement, blood flow, and other bodily functions
  7. 12. Another word for the circulatory system
  8. 13. Allows for sexual reproduction
  9. 14. Part of the Immune system
Down
  1. 1. To produce and eliminate a waste product called area, which is produced when certain foods are broken down
  2. 3. To act as a protective barrier, retain body fluids, eliminate waste products, and regulate body temperature
  3. 6. Part of the respiratory system
  4. 8. Allows humans to take in vital oxygen from the air and expel carbon dioxide and water vapor
  5. 10. The bodies defense system against pathogens, including bacterias, viruses, protozoa, and others
  6. 12. To move blood, oxygen, nutrients, carbon dioxide, and hormones around the body