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NEET2014ZoologyBody Fluids and CirculationActual

Assertion : Human heart is myogenic. Reason: The contraction is initiated by a specialized patch of modified heart muscles without requiring stimulation from nerve cells.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

A. If both assertion and reason are true and reason is the correct explanation of assertion.

Step-by-step solution

The mammalian heart is myogenic. It means the heart beat originates from a specialised muscles (nodal tissue). It is regulated by the nerves.

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