Body Systems

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Across
  1. 1. this is the largest lymphatic organ
  2. 2. one of this systems functions is the development of offspring
  3. 3. Both skeletal and muscular systems are needed for __________ of the body.
  4. 7. this system helps fight disease and infection.
  5. 8. ventilation, also known as breathing, is the key function of this system.
  6. 11. This system is key to maintaining body temperature.
  7. 12. these are released into the bloodstream to maintain homeostasis.
  8. 13. Arteries carry oxygenated blood and nutrients away from the heart in this body system.
Down
  1. 1. 206 bones make up this system.
  2. 3. 650 muscles make up this system.
  3. 4. this system filters and removes extra fluid and waste from the bloodstream.
  4. 5. A major organ in the circulatory system responsible for pumping blood.
  5. 6. This is the largest organ in the body.
  6. 9. The brain and spinal cord are found in this system.
  7. 10. The pituitary and thyroid glands are found in this system.