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Consider the following statements? (a)...

Consider the following statements?
(a) Before birth, foramen ovale allows the blood to pass from right atrium to left atrium , thus bypassing the pulmonary circulation ,
(b) Heart is protected by a double walled pericardium ,
(c) The muscle fibres present in heart are different from smooth muscles in being mesodermal in origin ,
(d) Nodal tissues like AVN, SAN are specialised neural tissues which are distributed in heart. How many among the statements mentioned above are correct?

A

Two

B

Three

C

One

D

Four

Text Solution

Verified by Experts

The correct Answer is:
A
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