Heart Anatomy Exterior at Exterior

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Heart Anatomy Exterior. You can identify the front of the heart by locating the interventricular sulcus and the large pulmonary artery. The heart wall consists of 3 layers:

Posterior Heart Structure
Posterior Heart Structure from www.purposegames.com

It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks. The division of the heart into four cavities is indicated on its surface by grooves. Part of the teachme series.

Posterior Heart Structure

Part of the teachme series. In its typical anatomical orientation, the heart has 5 surfaces, formed by different internal divisions of the heart: The muscular middle layer of the wall of. The heart is situated at the centre of the chest and points slightly towards the left.