Transport in Human Worksheet

The diagram shows a section through the human heart.

Which vessel is a vein containing oxygenated blood?

• A

• B

• C

• D

The diagram shows a section through the heart. Which two blood vessels are arteries?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 1

Look at the diagram of the heart. Which part of the Heart has the thickest wall? 

• Right atrium
• Right ventricle
• Left atrium
• Left ventricle

Which blood vessel carries oxygenated blood away from the heart?

• aorta

• pulmonary artery

• pulmonary vein

• vena cava

The diagram shows the human heart in section.

Which chamber of the heart pumps blood the greatest distance?

• A

• B

• C

• D

Oxygenated blood returns to the heart from the lungs in vessel X and leaves the heart to circulate around the body in vessel Y. What are X and Y?

• X: aorta, Y: Pulmonary Vein

• X: Pulmonary artery, Y: Vena Cava

• X: Pulmonary Vein, Y: Aorta

• X: Vena Cava, Y: Pulmonary artery

Through which vessel does oxygenated blood enter the heart?

• aorta

• pulmonary artery

• pulmonary vein

• vena cava

Which sequence of numbers represents the path taken by a deoxygenated red blood cell?

• 1 → 3 → 2 → 6

• 1 → 4 → 5 → 6

• 6 → 2 → 3 → 1

• 6 → 5 → 4 → 1

Which part of blood contains haemoglobin?

• plasma

• red blood cells

• white blood cells

• platelets

What is the function of the valves in the heart?

• to prevent blood from flowing backwards

• to pump blood through the heart

• to separate blood cells from plasma

• to separate oxygenated and deoxygenated blood