Body Systems

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Across
  1. 7. blood vessels with thick elastic walls designed to withstand high pressure
  2. 10. body system that transports oxygen, nutrients, hormones and waste products
  3. 12. body system that enables movement, posture and joint stability
  4. 13. body system that identifies and eliminates pathogens and abnormal cells
  5. 14. dome shaped muscles that change thoracic volume during breathing
Down
  1. 1. body system that regulates growth, metabolism and reproduction through hormones
  2. 2. connective tissue that stores minerals and provides structural support
  3. 3. Body system that detects stimuli, processes information, and coordinates responses
  4. 4. Specialised cells that transmit electrical and chemical signals
  5. 5. chemical messengers released directly into the bloodstream to affect target organs
  6. 6. organ whose rhythmic contractions maintain blood pressure and circulation
  7. 8. body system responsible for the diffusion of gases between air and blood
  8. 9. Central organ that integrates sensory input and initiates motor output
  9. 11. microscopic lung structure that maximises surface area for efficient gas exchange