In which of the following pairs, the two items mean one and the same thing?

Malleus - Anvil

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SA node - Pacemaker

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Leucocytes - Lymphocytes

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Haemophilia - Lung cancer

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Solution

The correct option is B SA node - Pacemaker
Malleus is hammer like bone of the middle ear.
SA node is called as pacemaker of the heart that sets the beat.
Leucocytes are WBCs and lymphocytes are B and T cells.
Hemophilia is a blood disorder.
Therefore, the correct answer is option B.

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In which one of the following pair the two items mean one and the same thing?

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