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Answere the following name the major s...

Answere the following
name the major site where RBCs are formed
which part of heart is responsible fpr initating and maintaining its rhythmic activity ?

Text Solution

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(a) Bone marrow
( b) SA Node (Sino Atrial Node)
Reptile have 3 chamberred heart with an exception of crocodile which possess 4 chambered heart,due to the partial division of ventricle through a septum.
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