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15.Body Fluids and Circulations
easy
Write the feature that distinguish between the two : Sino-atrial node and Atrio-ventricular node
Option A
Option B
Option C
Option D
Solution
$SA$ node : It is a special type of muscular tissue formed in group of the wall of atrium. It initiates the heart beat.
$AV$ Node : Fibrous tissue located between right atrium and ventricle. Electric waves pass through it.
Standard 11
Biology
