Draw the diagram of heart in step
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Here you go. This is the internal diagram of the heart. Please mark as brainliest.
Attachments:
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Answer:
Your answer is given below
Explanation:
A hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation. In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles.
Attachments:
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