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Answer» rt is a fist SIZED muscular organ located between the lungs. It beats 60 to 80 times a minute throughout your LIFE. The heart is divided into four chambers. The top chambers with comparatively thinner walls are CALLED auricles. The two lower two chambers with thick muscular walls are called ventricles.HOPE IT HELPS U and plz follow me plzzzPlzz mrk as brainliest. |
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