Answer :
Answer:
Pericardium is a thin sac that surrounds our heart. And Cardiac muscles tissue is muscles tissue that form heart.
Explanation:
Pericardium protect and lubricates our heart and keep it in place within our chest.
Answer:
Pericardium is a thin sac that surrounds our heart. And Cardiac muscles tissue is muscles tissue that form heart.
Explanation:
Pericardium protect and lubricates our heart and keep it in place within our chest.