Types of Blood Vessels

  • Arteries – Carry blood away from the heart.
  • Veins – Carry blood back to the heart.
  • Capillaries – Tiny blood vessels where oxygen and nutrients are exchanged with body cells.

Functions of Blood

  • Carries oxygen to all parts of the body.
  • Carries digested food (nutrients) to body cells.
  • Removes waste products such as carbon dioxide.
  • Helps protect the body from diseases.
  • Helps control body temperature.

How to Keep the Circulatory System Healthy

  • Eat a balanced diet.
  • Exercise regularly.
  • Drink plenty of clean water.
  • Get enough rest.
  • Avoid smoking and alcohol.
  • Go for regular medical check-ups.

Remember

  • The heart is a muscular organ that pumps blood.
  • Arteries carry blood away from the heart.
  • Veins carry blood to the heart.
  • Blood carries oxygen, nutrients, and waste products.
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