NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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Identify the correct statement

I. The impulse of the heart beat originates from SAN

II. Rate of the heart is determined by SAN

III. Bundle of His/AV bundle is present in the interventricular septum

IV. Atrio Ventricular Node (AVN) is situated in the lower left corner of the right auricle

Choose the correct option

View answer and explanation

Correct option: C

All except III

Option D (All except III) is correct because statements I, II, and IV are correct about the heart's electrical activity, while statement III incorrectly states the location of the Bundle of His.

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