(a)[6]
Use the information in Fig. 3.1 to describe how red blood cells are made and explain how they are adapted for their function.
(b)[1]
Red blood cells are carried within the liquid portion of blood. State the name of this liquid portion.
(c)[2]
Stem cells are also located beneath the outer skin layer. Explain why stem cells are present in the skin.
(d(i))[1]
State which nutrient is missing from the diet in this case.
(d(ii))[2]
State two symptoms of anaemia.
(e)[4]
Describe what causes this type of anaemia.