Heart

• What vein carries blood from the lungs to the heart?


  Pulmonary vein
• What artery carries blood from the heart to the lungs?

  Pulmonary artery
• 3 components of the circulatory system

  1. Heart
  2. Blood vessels
  3. Blood
• What is the role of the circulatory system?

  Transport substances around the body
• What substances does the circulatory system transport around the body?

  1. Oxygen
  2. Glucose
  3. Amino acids
  4. CO2
  5. Urea
  6. Hormones and antibodies