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

Which part of heart is responsible for initiating and maintaining its rhythmic activity?

Which part of heart is responsible for initiating and maintaining its rhythmic activity.

Which is responsible for initiating and maintining the rhythmic contractile activity of the heart ?

Which is responsible for initiating and maintining the rhythmic contractile activity of the heart ?

Which of the following statements are correct about Sino-atrial node A) It is responsible for initiating and maintaining the rhythmic contractile activity of the heart B) It is auto-excitable and generates 70 - 75 action potentials per minute C) It sets the pace of the activities of the heart and is called pacemaker

Answer the following : Name the tissue that forms the hard parts of fruits .

Answer the following Name the following. The part of ear which has funnel like shape.