Circulatory system-Grade 9

The diagram shows a section through the heart. Which part pumps blood to the aorta?

• A

• B

• C

• D

The diagram shows a section through a blood vessel in the leg.

Which type of blood vessel is shown, and in which direction does the blood flow?

• artery-P to Q

• Artery-Q to P

• Vein-Q to P

• Vein-P to Q

Where does haemoglobin become oxyhaemoglobin?

• Heart

• Kidneys

• Liver

• Lungs

Which heart valves are open and which are closed when blood passes out of the right ventricle towards the lungs?

• bicuspid (mitral) valve closed, tricuspid valve open

• bicuspid (mitral) valve open, semi-lunar valve closed

• tricuspid valve closed, semi-lunar valve open

• tricuspid valve open, bicuspid (mitral) valve open

When blood is flowing through a vena cava, which main blood vessel will it flow through next?

• hepatic portal vein

• hepatic vein

• pulmonary artery

• pulmonary vein

In which list do all three blood vessels carry oxygenated blood?

• aorta, pulmonary artery, renal artery

• aorta, pulmonary vein, renal artery

• vena cava, pulmonary artery, renal vein

• vena cava, pulmonary vein, renal vein