Papillary muscles in this organ help to tighten chordae tendineae.
In the fetus, this organ contains the foramen ovale and the crista terminalis. This organ contains gap junctions called intercalated discs. Papillary muscles in this organ help to tighten chordae tendineae. This organ contains the Bundle of His and Purkinje fibers, which help conduct signals from the SA and VA nodes. This organ is fed by the coronary arteries and is separated into chambers called atria and ventricles. For 10 points, name this organ that pumps blood throughout the body.
In the fetus, this organ contains the foramen ovale and the crista terminalis.
the heart