Which statement regarding the anatomical placement of the heart is CORRECT?
A) It is positioned exactly midline in the thoracic cavity.
B) It is positioned in the thoracic cavity with nearly its entirety on the left side.
C) It is positioned in the mediastinum with approximately 2/3 of the heart on the left side.
D) It is positioned in the mediastinum with approximately 2/3 of the heart on the right side.

Question

Quizplus · Accepted Answer

The heart is positioned in the mediastinum with approximately 2/3 of the heart on the left side. This is due to the fact that the left ventricle of the heart is larger and more muscular than the right ventricle, and thus takes up more space in the chest cavity.

Which Statement Regarding the Anatomical Placement of the Heart Is