1What is the blood circulation system? What does it include? Who proved that blood circulates in the body, and when?
2Write any four functions of the circulatory system.
3Why is blood called a liquid connective tissue? How much of a 60 kg person's weight is blood?
4Describe the composition of blood. What does plasma contain?
5Write the features of red blood cells. Why does blood look red?
6What is anaemia? Who is most likely to have it, and how can it be prevented?
7Tell white blood cells and platelets apart.
8Write any five functions of blood.
9How many blood groups are there? Name the eight subgroups formed by the Rh factor.
10Why is group O called the universal donor and group AB the universal recipient?
11What must be matched in a blood transfusion? Which blood should a patient of group A+ receive?
12Who can donate blood? How many times a year can a man and a woman donate?
13Why is donating blood called the greatest good deed and service?