Healthy living

Circulatory system

Blood is pumped around your body through a network of blood vessels. Your heart and these blood vessels make up the circulatory system.

  • Arteries carry the oxygen-rich blood from your heart to deliver it to your body. Coronary arteries are special arteries that supply the heart with blood to keep it working well.
  • Capillaries are tiny blood vessels that connect arteries and veins. Capillaries carry blood to the body cells where oxygen and nutrients are delivered, and waste is taken away.
  • Veins carry the blood from your body back to your heart after the oxygen and nutrients are delivered. By now the blood is low in oxygen and needs to pass through the lungs again and receive more oxygen.

Where to get help

  • Always dial triple zero (000) to call an ambulance in a medical emergency
  • See your doctor
  • Ring healthdirect on 1800 022 222
  • Phone the Heart Foundation’s Health Information Service on 1300 362 787

This information provided by

Heart Foundation logo


Cardiovascular Health Network

Heart Foundation

This publication is provided for education and information purposes only. It is not a substitute for professional medical care. Information about a therapy, service, product or treatment does not imply endorsement and is not intended to replace advice from your healthcare professional. Readers should note that over time currency and completeness of the information may change. All users should seek advice from a qualified healthcare professional for a diagnosis and answers to their medical questions.

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