A) digestive system
B) circulation of blood
C) blood group
D) None of the above
Correct Answer: B
Solution :
William Harvey (1570-1657) discovered circulation of blood in animals in 1628. He is known as Father of Circulatory System. Digestive system is concerned with intake of food, its chemical breakdown, absorption of food and expulsion of undigested residue. Blood groups were discovered by Karl Landsteiner.
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