BW4: The Circulatory System

Which part of the blood transfers oxygen?

• Plasma

• Red blood cells

• White blood cells

• Platelets

Which part of the blood transports heat and is straw coloured?

• Plasma

• Red blood cells

• White blood cells

• Platelets

Which part of the blood fights infection?

• Plasma

• Red blood cells

• White blood cells

• Platelets

Which part of the blood clots blood?

• Plasma

• Red blood cells

• White blood cells

• Platelets

What is the red pigment that carries oxygen called?

• Eamonn Tobin

• Carbon dioxide

• Haemoglobin

• Enzymes

Which type of blood vessel takes blood away from the heart?

• Artery

• Vein

• Capillary

• Trachea

Which type of blood vessel brings blood back to the heart?

• Artery

• Vein

• Capillary

• Bronchus

Which type of blood vessel is small and has thin walls to allow for gas exchange?

• Artery

• Vein

• Capillary

• Muscle

Which type of blood vessel has valves?

• Artery

• Vein

• Capillary

How many chambers are in the heart?

• 1

• 2

• 3

• 4