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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) Major site of RBC formation (erythropoiesis) is bone marrow.
(b) Sinu-Atrial Node (S.A. node) located in right atrium of the heart .
(c) Though most of the reptiles have 3 -chambered heart with incompletely divided ventricles but crocodiles have 4-chambered heart liek birds and mammals.
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