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SA node acts as a pacemaker of the heart...

SA node acts as a pacemaker of the heart because it

A

(a) is capable of generating impulses spontaneously

B

(b) has rich sympathetic innervation

C

(c) has poor cholinergic innervation

D

(d) generates impulses at the highest rate

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The correct Answer is:
D
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TRUEMEN BIOLOGY ENGLISH-BODY FLUIDS AND CIRCULATION-Multiple Choice Questions
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  15. Go through the following statements (i) The inner surface of atria ...

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  18. Read the following statements (i) The nodal musculature of the hear...

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