Science 9- 3rd Week

• Lifestyle can affect the functioning of the respiratory and circulatory system
• Unhealthy lifestyle weakens the systems and increases the risk of diseases
• Cigarette smoking


  • Increases the risks of having different diseases and infections in the whole body
  • Causes lungs to appear dark and muddled, and heart to be enlarged
• Good health


  A state of complete physical, mental and social well-being, not just the absence of disease or illness
• Examples of healthy lifestyle practices

  • Balanced diet
  • Regular exercise
  • Enough rest and sleep
  • Staying hydrated
  • Reducing stress
• Washing hands with soap and water removes virus, bacteria and other microorganisms
• Negative lifestyle weakens the system, while healthy lifestyle leads to complete wellness
• Living a healthy lifestyle can help prevent chronic diseases and long-term illnesses
• Feeling good about yourself and taking care of your health are important for self-esteem and self-image