what is the structure of heart? and why the normal design is like this ❤
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QU€STION:
what is the structure of heart? and why the normal design is like this ❤
ANSW€R:
The human heart is a four-chambered muscular organ, shaped and sized roughly like a man's closed fist with two-thirds of the mass to the left of midline. The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane
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becz of true lob
chai (my sis) will ask this to her science teacher tmmro
don't worry
lmfao
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