Chapter 3: The circulatory system and transport

By the end of this chapter you will be able to

• Name the main parts of the circulatory system: heart, blood vessels and blood
• Explain how the heart pumps blood to the lungs and to the body
• Compare arteries, veins and capillaries by their walls, valves and direction of blood flow
• Name the four parts of blood and say what each one does
• Explain how nutrients, water and oxygen are carried in the blood to the body cells
• Measure a pulse rate, and use a fair method to compare rest and exercise

You should already know

• Digestion and the small intestine (Year 4 Science)
• Muscles, skeletons and the lungs (Year 3 and Year 4 Science)

Where this leads

• Diet, exercise and lifestyle, and how they affect the heart (Year 6 Science, Chapter 4)