Human Body Organ Systems

123456789101112131415
Across
  1. 4. Filters and eliminates liquid substances; regulates water substances
  2. 6. Senses external environment and communicates with and activates other parts of the body
  3. 8. Our Body ____ when we are cold to produce heat.
  4. 10. The command centre for the nervous system and enables thoughts, memory, movement, and emotions.
  5. 12. Pumps blood from the heart to the lungs to get oxygen.
  6. 13. To produce egg and sperm cells. To transport and sustain these cells. To nurture the developing offspring.
  7. 14. Enables movement, maintains posture and can store energy
Down
  1. 1. Its hormones help control mood, growth and development, the way our organs work, metabolism, and reproduction.
  2. 2. take in food and liquids and break them down into substances that the body can use for energy, growth, and tissue repair.
  3. 3. A complex network of organs, cells and proteins that defends the body against infection, whilst protecting the body's own cells.
  4. 5. Remove metabolic wastes and toxins from the body.
  5. 7. enables gas exchange with blood
  6. 9. maintains fluid levels in our body tissues by removing all fluids that leak out of our blood vessels.
  7. 11. Provide mechanical support; stores minerals and produces red blood cells
  8. 15. Our Body ____ when we are hot to cool down.