Whcih of the following sequences is truly a systemic circulation pathway?
Left auricle `->` left ventricle `->` pulmonary aorta `->` tissues `->` right auric `` ``
Left auricle `->` left ventricle `->` aorta `->` arteries `->` tissues `->` veins `->` left auricle
Right ventricle `->` pulmonary aorta `->` tissues `->` pulmonary veins `->` left auricle
Right auricle `->` left ventricle `->` aorta `->` tissues `->` veins `->` right auricle