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Tardigrade
Question
Biology
The frequency of heart beat in our body is maintained by :
Q. The frequency of heart beat in our body is maintained by :
2231
266
KCET
KCET 2012
Body Fluids and Circulation
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A
SA node
77%
B
Node of Ranvier
6%
C
Chordae tendineae
8%
D
AV node
9%
Solution:
SA node is called pace maker, establish basic frequency in which heart beats.