Human body

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Across
  1. 3. What carries oxygenated blood
  2. 6. Largest organ of the human body.
  3. 9. involuntary muscle found only in the heart
  4. 10. The smooth muscle which cannot be controlled consciously are called
  5. 11. Longest bone in the human body.
Down
  1. 1. What colour blood cells help fight infections.
  2. 2. Which is the longest intestine.
  3. 4. System that controls our breathing
  4. 5. What system circulates lymph and blood throughout the body.
  5. 7. Cage like structure protecting the vital organs of the upper body.
  6. 8. What carries deoxygenated blood