Q1
5.1) Blood is made up of four main components.
Red blood cells and white blood cells are two of these components.
Describe the functions of the two other components of blood. [2 marks]
5.2) The heart is often described as a double pump.
Describe why. [ 1 mark]
Red blood cells and white blood cells are two of these components.
Describe the functions of the two other components of blood. [2 marks]
5.2) The heart is often described as a double pump.
Describe why. [ 1 mark]