The heart

• What does the cardiovascular system consist of?


  heart , veins , capillaries , arteries
• which vessels carry blood away from the heart?

  Arteries
• which Vessels carry blood in to the heart?

  veins
• The heart is a double…


  Pump
• what does the right side of the heart pump?


  Pumps deoxygenated blood to the lungs.
• What does the left side of the heart pump?


  Oxygenated blood to the rest of the body.
• Why is the muscle on the left side of the heart and thicker than the right side?


  As the left side pumps blood to the rest of the body
• How many chambers does the heart have?


  Four
• What are the chambers of the heart separated by?


  Valves
• What is the function of valves?


  To prevent backflow of blood
• Into which chamber of the heart does blood flow from the pulmonary vein?


  Left atrium
• Which vessel carries blood from the heart to the lungs?

  Pulmonary artery
• Name the blood vessel that supplies the heart muscle with oxygenated blood

  Coronary artery
• What are the 3 main types of blood vessels in the body?


  Arteries, veins, capillaries
• What size of lumen(channel) do arteries have?


  Narrow
• Do arteries have a thick or thin wall?


  Thick
• What is the direction of blood flow and pressure of blood for the arteries?


  Away from the heart, high pressure
• Do arteries have valves?


  No
• What size of lumen(channel) do veins have?


  wider
• What is the thickness of wall for veins?


  thin
• What is the direction of blood flow and pressure of blood for veins?


  Towards the heart, low pressure
• Do veins have valves?


  Yes
• What is the thickness of wall for capillaries?


  1 cell thick
• What is the direction of blood flow for capillaries?


  Through organs/tissues
• Do capillaries have valves?


  No