Science, asked by josephanthony9876, 5 months ago

9. the pace maker of heart is-
(a) A.V. Node
(b) S.A. node
(c) Valve
(d) Vetricle

Answers

Answered by kaviya08102001

2

Explanation:

9. The pace maker of heart is-

(b) S.A. node

Answered by arshadahamed026

0

Answer:

The pace maker of heart is S.A.node

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