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प्रश्न
In which one of the following pair, the two items mean one and the same thing?
विकल्प
Malleus - Anvil
SA node - Pacemaker
Leucocytes - Lymphocytes
Haemophilia - Blood cancer
MCQ
उत्तर
SA node - Pacemaker
Explanation:
The middle ear's hammer-like malleus bone. The SA node is referred to be the heart's pacemaker since it regulates heartbeat. WBCs are leucocytes, while B and T cells are lymphocytes. An issue with the blood is haemophilia.
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