external and internal surfaces of the heart

Question 1

Anterior interventricular sulcus (groves)

Answer 1

separates the ventricles anteriorly (externally)

Question 2

Coronary sulcus ( atrioventricular groove)

Answer 2

a groove on the outside of the heart that encircles most of the heart sepertating the atria.(externally)

Question 3

Posterior interventricular sulcus (groves)

Answer 3

separates the ventricles posteriorly (externally)

Question 4

Interatrial septum aka ( fossa ovalis)

Answer 4

separates the atria, a depression known as the fossa ovalis is located here (internally)

Question 5

Foramen ovale

Answer 5

a hole that is present in the fetal heart that close just prior to birth. its purpose is to shunt blood away from baby’s underdeveloped lungs.(internally)

Question 6

Interventricular septum

Answer 6

sepertates the ventricles, ventricles are covered with fibrous projections called trabeculae carneae (internally)