Blood, vessels and the heart

Which part of the blood carries oxygen?

• Plasma

• Platelets

• Red Blood Cells

• White Blood Cells

Which part of the blood fights infection?

• Plasma

• Platelets

• Red Blood Cells

• White Blood Cells

Which part of the blood carries dissolved substances like glucose?

• Plasma

• Platelets

• Red Blood Cells

• White Blood Cells

Which part of the blood forms scabs

• Plasma

• Platelets

• Red Blood Cells

• White Blood Cells

Which blood vessel is the smallest?

• Capillary

• Vein

• Artery

Which blood vessel carries blood Away from the heart

• Capillary

• Vein

• Artery

Which blood vessel has valves to stop backflow of blood?

• Capillary

• Vein

• Artery

Which blood vessel thick walls?

• Capillary

• Vein

• Artery

The top chambers of the heart are called

• atrium

• aorta

• ventricles

• vena cava

The bottom chambers of the heart are called

• atrium

• aorta

• ventricles

• vena cava